Home / 9,042,343.74-12,478,146.50-5,174,781.87

Finding the Fourth Proportional to 9,042,343.74, 12,478,146.50 and 5,174,781.87

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Solution

The fourth proportional to 9,042,343.74, 12,478,146.50 and 5,174,781.87 is: 7,141,034.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042,343.74 : 12,478,146.50 = 5,174,781.87 : x
  2. Step 2: Convert to fraction form
    9,042,343.74/12,478,146.50 = 5,174,781.87/x
  3. Step 3: Cross multiply
    9,042,343.74x = 12,478,146.50 × 5,174,781.87
  4. Step 4: Simplify right side
    9,042,343.74x = 64,571,686,245,547.86
  5. Step 5: Solve for x
    x = 64,571,686,245,547.86/9,042,343.74
  6. Step 6: Final answer
    x = 7,141,034.24

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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.