Home / 20,912,291.55-31,368,437.33-16,607,619.45

Finding the Fourth Proportional to 20,912,291.55, 31,368,437.33 and 16,607,619.45

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Solution

The fourth proportional to 20,912,291.55, 31,368,437.33 and 16,607,619.45 is: 24,911,429.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,912,291.55 : 31,368,437.33 = 16,607,619.45 : x
  2. Step 2: Convert to fraction form
    20,912,291.55/31,368,437.33 = 16,607,619.45/x
  3. Step 3: Cross multiply
    20,912,291.55x = 31,368,437.33 × 16,607,619.45
  4. Step 4: Simplify right side
    20,912,291.55x = 520,955,069,834,775.94
  5. Step 5: Solve for x
    x = 520,955,069,834,775.94/20,912,291.55
  6. Step 6: Final answer
    x = 24,911,429.18

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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.