Home / 30,655,489.50-42,305,597.09-16,717,607.42

Finding the Fourth Proportional to 30,655,489.50, 42,305,597.09 and 16,717,607.42

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Solution

The fourth proportional to 30,655,489.50, 42,305,597.09 and 16,717,607.42 is: 23,070,855.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,655,489.50 : 42,305,597.09 = 16,717,607.42 : x
  2. Step 2: Convert to fraction form
    30,655,489.50/42,305,597.09 = 16,717,607.42/x
  3. Step 3: Cross multiply
    30,655,489.50x = 42,305,597.09 × 16,717,607.42
  4. Step 4: Simplify right side
    30,655,489.50x = 707,248,363,586,889.38
  5. Step 5: Solve for x
    x = 707,248,363,586,889.38/30,655,489.50
  6. Step 6: Final answer
    x = 23,070,855.34

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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.