Home / 31,686,565.68-47,535,959.16-13,490,427.60

Finding the Fourth Proportional to 31,686,565.68, 47,535,959.16 and 13,490,427.60

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Solution

The fourth proportional to 31,686,565.68, 47,535,959.16 and 13,490,427.60 is: 20,238,242.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,686,565.68 : 47,535,959.16 = 13,490,427.60 : x
  2. Step 2: Convert to fraction form
    31,686,565.68/47,535,959.16 = 13,490,427.60/x
  3. Step 3: Cross multiply
    31,686,565.68x = 47,535,959.16 × 13,490,427.60
  4. Step 4: Simplify right side
    31,686,565.68x = 641,280,415,444,536.75
  5. Step 5: Solve for x
    x = 641,280,415,444,536.75/31,686,565.68
  6. Step 6: Final answer
    x = 20,238,242.98

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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.