Home / 42,526,814.37-63,828,248.20-21,791,398.19

Finding the Fourth Proportional to 42,526,814.37, 63,828,248.20 and 21,791,398.19

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Solution

The fourth proportional to 42,526,814.37, 63,828,248.20 and 21,791,398.19 is: 32,706,582.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,526,814.37 : 63,828,248.20 = 21,791,398.19 : x
  2. Step 2: Convert to fraction form
    42,526,814.37/63,828,248.20 = 21,791,398.19/x
  3. Step 3: Cross multiply
    42,526,814.37x = 63,828,248.20 × 21,791,398.19
  4. Step 4: Simplify right side
    42,526,814.37x = 1,390,906,772,505,054.75
  5. Step 5: Solve for x
    x = 1,390,906,772,505,054.75/42,526,814.37
  6. Step 6: Final answer
    x = 32,706,582.73

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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.