Home / 30,559,044.11-42,172,278.68-16,808,369.09

Finding the Fourth Proportional to 30,559,044.11, 42,172,278.68 and 16,808,369.09

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Solution

The fourth proportional to 30,559,044.11, 42,172,278.68 and 16,808,369.09 is: 23,195,988.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,559,044.11 : 42,172,278.68 = 16,808,369.09 : x
  2. Step 2: Convert to fraction form
    30,559,044.11/42,172,278.68 = 16,808,369.09/x
  3. Step 3: Cross multiply
    30,559,044.11x = 42,172,278.68 × 16,808,369.09
  4. Step 4: Simplify right side
    30,559,044.11x = 708,847,225,250,937.50
  5. Step 5: Solve for x
    x = 708,847,225,250,937.50/30,559,044.11
  6. Step 6: Final answer
    x = 23,195,988.16

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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.