Home / 25,911,550.40-38,890,826.40-13,140,939.20

Finding the Fourth Proportional to 25,911,550.40, 38,890,826.40 and 13,140,939.20

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Solution

The fourth proportional to 25,911,550.40, 38,890,826.40 and 13,140,939.20 is: 19,723,327.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,911,550.40 : 38,890,826.40 = 13,140,939.20 : x
  2. Step 2: Convert to fraction form
    25,911,550.40/38,890,826.40 = 13,140,939.20/x
  3. Step 3: Cross multiply
    25,911,550.40x = 38,890,826.40 × 13,140,939.20
  4. Step 4: Simplify right side
    25,911,550.40x = 511,061,985,160,154.81
  5. Step 5: Solve for x
    x = 511,061,985,160,154.81/25,911,550.40
  6. Step 6: Final answer
    x = 19,723,327.14

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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.