Home / 30,908,344.02-42,653,598.68-16,970,601.88

Finding the Fourth Proportional to 30,908,344.02, 42,653,598.68 and 16,970,601.88

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Solution

The fourth proportional to 30,908,344.02, 42,653,598.68 and 16,970,601.88 is: 23,419,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,908,344.02 : 42,653,598.68 = 16,970,601.88 : x
  2. Step 2: Convert to fraction form
    30,908,344.02/42,653,598.68 = 16,970,601.88/x
  3. Step 3: Cross multiply
    30,908,344.02x = 42,653,598.68 × 16,970,601.88
  4. Step 4: Simplify right side
    30,908,344.02x = 723,857,241,947,573.50
  5. Step 5: Solve for x
    x = 723,857,241,947,573.50/30,908,344.02
  6. Step 6: Final answer
    x = 23,419,476.68

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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.