Home / 31,779,259.20-47,675,109.60-13,583,419.20

Finding the Fourth Proportional to 31,779,259.20, 47,675,109.60 and 13,583,419.20

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Solution

The fourth proportional to 31,779,259.20, 47,675,109.60 and 13,583,419.20 is: 20,377,787.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,779,259.20 : 47,675,109.60 = 13,583,419.20 : x
  2. Step 2: Convert to fraction form
    31,779,259.20/47,675,109.60 = 13,583,419.20/x
  3. Step 3: Cross multiply
    31,779,259.20x = 47,675,109.60 × 13,583,419.20
  4. Step 4: Simplify right side
    31,779,259.20x = 647,590,999,102,744.25
  5. Step 5: Solve for x
    x = 647,590,999,102,744.25/31,779,259.20
  6. Step 6: Final answer
    x = 20,377,787.76

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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.