Home / 7,129,409.70-10,694,114.55-6,345,588.90

Finding the Fourth Proportional to 7,129,409.70, 10,694,114.55 and 6,345,588.90

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Solution

The fourth proportional to 7,129,409.70, 10,694,114.55 and 6,345,588.90 is: 9,518,383.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,409.70 : 10,694,114.55 = 6,345,588.90 : x
  2. Step 2: Convert to fraction form
    7,129,409.70/10,694,114.55 = 6,345,588.90/x
  3. Step 3: Cross multiply
    7,129,409.70x = 10,694,114.55 × 6,345,588.90
  4. Step 4: Simplify right side
    7,129,409.70x = 67,860,454,583,808.50
  5. Step 5: Solve for x
    x = 67,860,454,583,808.50/7,129,409.70
  6. Step 6: Final answer
    x = 9,518,383.35

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.