Home / 31,686,570.68-47,535,966.66-13,490,432.60

Finding the Fourth Proportional to 31,686,570.68, 47,535,966.66 and 13,490,432.60

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Solution

The fourth proportional to 31,686,570.68, 47,535,966.66 and 13,490,432.60 is: 20,238,250.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,686,570.68 : 47,535,966.66 = 13,490,432.60 : x
  2. Step 2: Convert to fraction form
    31,686,570.68/47,535,966.66 = 13,490,432.60/x
  3. Step 3: Cross multiply
    31,686,570.68x = 47,535,966.66 × 13,490,432.60
  4. Step 4: Simplify right side
    31,686,570.68x = 641,280,754,302,577
  5. Step 5: Solve for x
    x = 641,280,754,302,577/31,686,570.68
  6. Step 6: Final answer
    x = 20,238,250.48

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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.