Home / 42,372,610.78-63,578,463.45-19,350,602.86

Finding the Fourth Proportional to 42,372,610.78, 63,578,463.45 and 19,350,602.86

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Solution

The fourth proportional to 42,372,610.78, 63,578,463.45 and 19,350,602.86 is: 29,034,831.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,372,610.78 : 63,578,463.45 = 19,350,602.86 : x
  2. Step 2: Convert to fraction form
    42,372,610.78/63,578,463.45 = 19,350,602.86/x
  3. Step 3: Cross multiply
    42,372,610.78x = 63,578,463.45 × 19,350,602.86
  4. Step 4: Simplify right side
    42,372,610.78x = 1,230,281,596,255,330.25
  5. Step 5: Solve for x
    x = 1,230,281,596,255,330.25/42,372,610.78
  6. Step 6: Final answer
    x = 29,034,831.08

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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.