Home / 42,400,208.64-63,601,358.40-15,473,856

Finding the Fourth Proportional to 42,400,208.64, 63,601,358.40 and 15,473,856

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Solution

The fourth proportional to 42,400,208.64, 63,601,358.40 and 15,473,856 is: 23,211,165.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,400,208.64 : 63,601,358.40 = 15,473,856 : x
  2. Step 2: Convert to fraction form
    42,400,208.64/63,601,358.40 = 15,473,856/x
  3. Step 3: Cross multiply
    42,400,208.64x = 63,601,358.40 × 15,473,856
  4. Step 4: Simplify right side
    42,400,208.64x = 984,158,261,285,990.38
  5. Step 5: Solve for x
    x = 984,158,261,285,990.38/42,400,208.64
  6. Step 6: Final answer
    x = 23,211,165.53

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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.