Home / 30,645,706.60-42,291,363.68-16,895,162.80

Finding the Fourth Proportional to 30,645,706.60, 42,291,363.68 and 16,895,162.80

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Solution

The fourth proportional to 30,645,706.60, 42,291,363.68 and 16,895,162.80 is: 23,315,483.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,645,706.60 : 42,291,363.68 = 16,895,162.80 : x
  2. Step 2: Convert to fraction form
    30,645,706.60/42,291,363.68 = 16,895,162.80/x
  3. Step 3: Cross multiply
    30,645,706.60x = 42,291,363.68 × 16,895,162.80
  4. Step 4: Simplify right side
    30,645,706.60x = 714,519,474,407,607.12
  5. Step 5: Solve for x
    x = 714,519,474,407,607.12/30,645,706.60
  6. Step 6: Final answer
    x = 23,315,483.76

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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.