Home / 42,386,263.62-63,494,267.11-19,325,476.29

Finding the Fourth Proportional to 42,386,263.62, 63,494,267.11 and 19,325,476.29

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Solution

The fourth proportional to 42,386,263.62, 63,494,267.11 and 19,325,476.29 is: 28,949,401.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,386,263.62 : 63,494,267.11 = 19,325,476.29 : x
  2. Step 2: Convert to fraction form
    42,386,263.62/63,494,267.11 = 19,325,476.29/x
  3. Step 3: Cross multiply
    42,386,263.62x = 63,494,267.11 × 19,325,476.29
  4. Step 4: Simplify right side
    42,386,263.62x = 1,227,056,953,585,231.75
  5. Step 5: Solve for x
    x = 1,227,056,953,585,231.75/42,386,263.62
  6. Step 6: Final answer
    x = 28,949,401.26

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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.