Home / 30,687,475.42-42,348,115.90-16,748,930.46

Finding the Fourth Proportional to 30,687,475.42, 42,348,115.90 and 16,748,930.46

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Solution

The fourth proportional to 30,687,475.42, 42,348,115.90 and 16,748,930.46 is: 23,113,196.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,687,475.42 : 42,348,115.90 = 16,748,930.46 : x
  2. Step 2: Convert to fraction form
    30,687,475.42/42,348,115.90 = 16,748,930.46/x
  3. Step 3: Cross multiply
    30,687,475.42x = 42,348,115.90 × 16,748,930.46
  4. Step 4: Simplify right side
    30,687,475.42x = 709,285,648,279,248
  5. Step 5: Solve for x
    x = 709,285,648,279,248/30,687,475.42
  6. Step 6: Final answer
    x = 23,113,196.46

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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.