Home / 8,243,999.40-12,365,999.10-7,486,695.98

Finding the Fourth Proportional to 8,243,999.40, 12,365,999.10 and 7,486,695.98

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Solution

The fourth proportional to 8,243,999.40, 12,365,999.10 and 7,486,695.98 is: 11,230,043.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243,999.40 : 12,365,999.10 = 7,486,695.98 : x
  2. Step 2: Convert to fraction form
    8,243,999.40/12,365,999.10 = 7,486,695.98/x
  3. Step 3: Cross multiply
    8,243,999.40x = 12,365,999.10 × 7,486,695.98
  4. Step 4: Simplify right side
    8,243,999.40x = 92,580,475,688,823.61
  5. Step 5: Solve for x
    x = 92,580,475,688,823.61/8,243,999.40
  6. Step 6: Final answer
    x = 11,230,043.96

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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.