Home / 12,018,014.75-16,590,608.12-6,860,379.85

Finding the Fourth Proportional to 12,018,014.75, 16,590,608.12 and 6,860,379.85

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Solution

The fourth proportional to 12,018,014.75, 16,590,608.12 and 6,860,379.85 is: 9,470,605.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018,014.75 : 16,590,608.12 = 6,860,379.85 : x
  2. Step 2: Convert to fraction form
    12,018,014.75/16,590,608.12 = 6,860,379.85/x
  3. Step 3: Cross multiply
    12,018,014.75x = 16,590,608.12 × 6,860,379.85
  4. Step 4: Simplify right side
    12,018,014.75x = 113,817,873,621,368.81
  5. Step 5: Solve for x
    x = 113,817,873,621,368.81/12,018,014.75
  6. Step 6: Final answer
    x = 9,470,605.25

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.