Home / 20,005,899.04-30,005,706.56-6,357,248.40

Finding the Fourth Proportional to 20,005,899.04, 30,005,706.56 and 6,357,248.40

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Solution

The fourth proportional to 20,005,899.04, 30,005,706.56 and 6,357,248.40 is: 9,534,874.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005,899.04 : 30,005,706.56 = 6,357,248.40 : x
  2. Step 2: Convert to fraction form
    20,005,899.04/30,005,706.56 = 6,357,248.40/x
  3. Step 3: Cross multiply
    20,005,899.04x = 30,005,706.56 × 6,357,248.40
  4. Step 4: Simplify right side
    20,005,899.04x = 190,753,730,019,429.50
  5. Step 5: Solve for x
    x = 190,753,730,019,429.50/20,005,899.04
  6. Step 6: Final answer
    x = 9,534,874.17

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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.