Home / 30,385,979.66-41,932,646.72-16,447,332

Finding the Fourth Proportional to 30,385,979.66, 41,932,646.72 and 16,447,332

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Solution

The fourth proportional to 30,385,979.66, 41,932,646.72 and 16,447,332 is: 22,697,315.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,385,979.66 : 41,932,646.72 = 16,447,332 : x
  2. Step 2: Convert to fraction form
    30,385,979.66/41,932,646.72 = 16,447,332/x
  3. Step 3: Cross multiply
    30,385,979.66x = 41,932,646.72 × 16,447,332
  4. Step 4: Simplify right side
    30,385,979.66x = 689,680,162,242,551
  5. Step 5: Solve for x
    x = 689,680,162,242,551/30,385,979.66
  6. Step 6: Final answer
    x = 22,697,315.34

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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.