Home / 31,413,246.30-47,119,869.45-21,847,308.30

Finding the Fourth Proportional to 31,413,246.30, 47,119,869.45 and 21,847,308.30

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Solution

The fourth proportional to 31,413,246.30, 47,119,869.45 and 21,847,308.30 is: 32,770,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,413,246.30 : 47,119,869.45 = 21,847,308.30 : x
  2. Step 2: Convert to fraction form
    31,413,246.30/47,119,869.45 = 21,847,308.30/x
  3. Step 3: Cross multiply
    31,413,246.30x = 47,119,869.45 × 21,847,308.30
  4. Step 4: Simplify right side
    31,413,246.30x = 1,029,442,314,929,901.50
  5. Step 5: Solve for x
    x = 1,029,442,314,929,901.50/31,413,246.30
  6. Step 6: Final answer
    x = 32,770,962.45

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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.