Home / 42,148,958.28-63,232,461.82-12,607,468.70

Finding the Fourth Proportional to 42,148,958.28, 63,232,461.82 and 12,607,468.70

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Solution

The fourth proportional to 42,148,958.28, 63,232,461.82 and 12,607,468.70 is: 18,913,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,148,958.28 : 63,232,461.82 = 12,607,468.70 : x
  2. Step 2: Convert to fraction form
    42,148,958.28/63,232,461.82 = 12,607,468.70/x
  3. Step 3: Cross multiply
    42,148,958.28x = 63,232,461.82 × 12,607,468.70
  4. Step 4: Simplify right side
    42,148,958.28x = 797,201,283,219,595
  5. Step 5: Solve for x
    x = 797,201,283,219,595/42,148,958.28
  6. Step 6: Final answer
    x = 18,913,902.40

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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.