Home / 30,438,607.96-42,002,947.74-17,384,064.76

Finding the Fourth Proportional to 30,438,607.96, 42,002,947.74 and 17,384,064.76

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Solution

The fourth proportional to 30,438,607.96, 42,002,947.74 and 17,384,064.76 is: 23,988,677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,438,607.96 : 42,002,947.74 = 17,384,064.76 : x
  2. Step 2: Convert to fraction form
    30,438,607.96/42,002,947.74 = 17,384,064.76/x
  3. Step 3: Cross multiply
    30,438,607.96x = 42,002,947.74 × 17,384,064.76
  4. Step 4: Simplify right side
    30,438,607.96x = 730,181,963,623,055.75
  5. Step 5: Solve for x
    x = 730,181,963,623,055.75/30,438,607.96
  6. Step 6: Final answer
    x = 23,988,677.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.