Home / 30,468,264.79-42,046,200.77-17,415,803.96

Finding the Fourth Proportional to 30,468,264.79, 42,046,200.77 and 17,415,803.96

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Solution

The fourth proportional to 30,468,264.79, 42,046,200.77 and 17,415,803.96 is: 24,033,806.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,468,264.79 : 42,046,200.77 = 17,415,803.96 : x
  2. Step 2: Convert to fraction form
    30,468,264.79/42,046,200.77 = 17,415,803.96/x
  3. Step 3: Cross multiply
    30,468,264.79x = 42,046,200.77 × 17,415,803.96
  4. Step 4: Simplify right side
    30,468,264.79x = 732,268,390,067,958.12
  5. Step 5: Solve for x
    x = 732,268,390,067,958.12/30,468,264.79
  6. Step 6: Final answer
    x = 24,033,806.82

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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.