Home / 42,386,263.25-63,494,266.55-19,325,475.92

Finding the Fourth Proportional to 42,386,263.25, 63,494,266.55 and 19,325,475.92

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Solution

The fourth proportional to 42,386,263.25, 63,494,266.55 and 19,325,475.92 is: 28,949,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,386,263.25 : 63,494,266.55 = 19,325,475.92 : x
  2. Step 2: Convert to fraction form
    42,386,263.25/63,494,266.55 = 19,325,475.92/x
  3. Step 3: Cross multiply
    42,386,263.25x = 63,494,266.55 × 19,325,475.92
  4. Step 4: Simplify right side
    42,386,263.25x = 1,227,056,918,952,615
  5. Step 5: Solve for x
    x = 1,227,056,918,952,615/42,386,263.25
  6. Step 6: Final answer
    x = 28,949,400.70

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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.