Home / 30,645,838.92-42,291,546.57-16,895,295.12

Finding the Fourth Proportional to 30,645,838.92, 42,291,546.57 and 16,895,295.12

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Solution

The fourth proportional to 30,645,838.92, 42,291,546.57 and 16,895,295.12 is: 23,315,666.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,645,838.92 : 42,291,546.57 = 16,895,295.12 : x
  2. Step 2: Convert to fraction form
    30,645,838.92/42,291,546.57 = 16,895,295.12/x
  3. Step 3: Cross multiply
    30,645,838.92x = 42,291,546.57 × 16,895,295.12
  4. Step 4: Simplify right side
    30,645,838.92x = 714,528,160,381,373.75
  5. Step 5: Solve for x
    x = 714,528,160,381,373.75/30,645,838.92
  6. Step 6: Final answer
    x = 23,315,666.52

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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.