Home / 30,908,343.02-42,653,597.30-16,970,600.88

Finding the Fourth Proportional to 30,908,343.02, 42,653,597.30 and 16,970,600.88

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Solution

The fourth proportional to 30,908,343.02, 42,653,597.30 and 16,970,600.88 is: 23,419,475.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,908,343.02 : 42,653,597.30 = 16,970,600.88 : x
  2. Step 2: Convert to fraction form
    30,908,343.02/42,653,597.30 = 16,970,600.88/x
  3. Step 3: Cross multiply
    30,908,343.02x = 42,653,597.30 × 16,970,600.88
  4. Step 4: Simplify right side
    30,908,343.02x = 723,857,175,992,070.12
  5. Step 5: Solve for x
    x = 723,857,175,992,070.12/30,908,343.02
  6. Step 6: Final answer
    x = 23,419,475.30

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1.5x scale

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.