Home / 30,299,712.30-45,449,568.45-15,148,176.30

Finding the Fourth Proportional to 30,299,712.30, 45,449,568.45 and 15,148,176.30

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Solution

The fourth proportional to 30,299,712.30, 45,449,568.45 and 15,148,176.30 is: 22,722,264.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299,712.30 : 45,449,568.45 = 15,148,176.30 : x
  2. Step 2: Convert to fraction form
    30,299,712.30/45,449,568.45 = 15,148,176.30/x
  3. Step 3: Cross multiply
    30,299,712.30x = 45,449,568.45 × 15,148,176.30
  4. Step 4: Simplify right side
    30,299,712.30x = 688,478,075,639,517.88
  5. Step 5: Solve for x
    x = 688,478,075,639,517.88/30,299,712.30
  6. Step 6: Final answer
    x = 22,722,264.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.