Home / 37,680,480.80-51,996,099.12-21,382,956.80

Finding the Fourth Proportional to 37,680,480.80, 51,996,099.12 and 21,382,956.80

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Solution

The fourth proportional to 37,680,480.80, 51,996,099.12 and 21,382,956.80 is: 29,506,798.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,680,480.80 : 51,996,099.12 = 21,382,956.80 : x
  2. Step 2: Convert to fraction form
    37,680,480.80/51,996,099.12 = 21,382,956.80/x
  3. Step 3: Cross multiply
    37,680,480.80x = 51,996,099.12 × 21,382,956.80
  4. Step 4: Simplify right side
    37,680,480.80x = 1,111,830,341,251,478
  5. Step 5: Solve for x
    x = 1,111,830,341,251,478/37,680,480.80
  6. Step 6: Final answer
    x = 29,506,798.15

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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.