Home / 14,681,343.60-20,259,568.44-8,155,393.20

Finding the Fourth Proportional to 14,681,343.60, 20,259,568.44 and 8,155,393.20

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Solution

The fourth proportional to 14,681,343.60, 20,259,568.44 and 8,155,393.20 is: 11,254,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681,343.60 : 20,259,568.44 = 8,155,393.20 : x
  2. Step 2: Convert to fraction form
    14,681,343.60/20,259,568.44 = 8,155,393.20/x
  3. Step 3: Cross multiply
    14,681,343.60x = 20,259,568.44 × 8,155,393.20
  4. Step 4: Simplify right side
    14,681,343.60x = 165,224,746,690,510.62
  5. Step 5: Solve for x
    x = 165,224,746,690,510.62/14,681,343.60
  6. Step 6: Final answer
    x = 11,254,061.70

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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.