Home / 42,386,263.75-63,494,267.30-19,325,476.42

Finding the Fourth Proportional to 42,386,263.75, 63,494,267.30 and 19,325,476.42

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Solution

The fourth proportional to 42,386,263.75, 63,494,267.30 and 19,325,476.42 is: 28,949,401.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,386,263.75 : 63,494,267.30 = 19,325,476.42 : x
  2. Step 2: Convert to fraction form
    42,386,263.75/63,494,267.30 = 19,325,476.42/x
  3. Step 3: Cross multiply
    42,386,263.75x = 63,494,267.30 × 19,325,476.42
  4. Step 4: Simplify right side
    42,386,263.75x = 1,227,056,965,511,327
  5. Step 5: Solve for x
    x = 1,227,056,965,511,327/42,386,263.75
  6. Step 6: Final answer
    x = 28,949,401.46

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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.