Home / 20,736,006.90-31,104,010.35-16,956,870.90

Finding the Fourth Proportional to 20,736,006.90, 31,104,010.35 and 16,956,870.90

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Solution

The fourth proportional to 20,736,006.90, 31,104,010.35 and 16,956,870.90 is: 25,435,306.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,006.90 : 31,104,010.35 = 16,956,870.90 : x
  2. Step 2: Convert to fraction form
    20,736,006.90/31,104,010.35 = 16,956,870.90/x
  3. Step 3: Cross multiply
    20,736,006.90x = 31,104,010.35 × 16,956,870.90
  4. Step 4: Simplify right side
    20,736,006.90x = 527,426,687,977,213.81
  5. Step 5: Solve for x
    x = 527,426,687,977,213.81/20,736,006.90
  6. Step 6: Final answer
    x = 25,435,306.35

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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.