Home / 30,471,331.68-42,051,208.32-16,720,292.16

Finding the Fourth Proportional to 30,471,331.68, 42,051,208.32 and 16,720,292.16

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Solution

The fourth proportional to 30,471,331.68, 42,051,208.32 and 16,720,292.16 is: 23,074,426.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,471,331.68 : 42,051,208.32 = 16,720,292.16 : x
  2. Step 2: Convert to fraction form
    30,471,331.68/42,051,208.32 = 16,720,292.16/x
  3. Step 3: Cross multiply
    30,471,331.68x = 42,051,208.32 × 16,720,292.16
  4. Step 4: Simplify right side
    30,471,331.68x = 703,108,488,791,422.75
  5. Step 5: Solve for x
    x = 703,108,488,791,422.75/30,471,331.68
  6. Step 6: Final answer
    x = 23,074,426.03

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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.