Home / 20,657,807.84-30,988,446.45-6,281,000.18

Finding the Fourth Proportional to 20,657,807.84, 30,988,446.45 and 6,281,000.18

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Solution

The fourth proportional to 20,657,807.84, 30,988,446.45 and 6,281,000.18 is: 9,422,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,657,807.84 : 30,988,446.45 = 6,281,000.18 : x
  2. Step 2: Convert to fraction form
    20,657,807.84/30,988,446.45 = 6,281,000.18/x
  3. Step 3: Cross multiply
    20,657,807.84x = 30,988,446.45 × 6,281,000.18
  4. Step 4: Simplify right side
    20,657,807.84x = 194,638,437,730,370.34
  5. Step 5: Solve for x
    x = 194,638,437,730,370.34/20,657,807.84
  6. Step 6: Final answer
    x = 9,422,027.70

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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.