Home / 21,011,885.34-31,518,793.94-6,437,761.08

Finding the Fourth Proportional to 21,011,885.34, 31,518,793.94 and 6,437,761.08

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Solution

The fourth proportional to 21,011,885.34, 31,518,793.94 and 6,437,761.08 is: 9,656,937.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,011,885.34 : 31,518,793.94 = 6,437,761.08 : x
  2. Step 2: Convert to fraction form
    21,011,885.34/31,518,793.94 = 6,437,761.08/x
  3. Step 3: Cross multiply
    21,011,885.34x = 31,518,793.94 × 6,437,761.08
  4. Step 4: Simplify right side
    21,011,885.34x = 202,910,464,883,283.03
  5. Step 5: Solve for x
    x = 202,910,464,883,283.03/21,011,885.34
  6. Step 6: Final answer
    x = 9,656,937.57

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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.