Home / 16,391,457.90-22,620,240.58-9,049,302.86

Finding the Fourth Proportional to 16,391,457.90, 22,620,240.58 and 9,049,302.86

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Solution

The fourth proportional to 16,391,457.90, 22,620,240.58 and 9,049,302.86 is: 12,488,053.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,391,457.90 : 22,620,240.58 = 9,049,302.86 : x
  2. Step 2: Convert to fraction form
    16,391,457.90/22,620,240.58 = 9,049,302.86/x
  3. Step 3: Cross multiply
    16,391,457.90x = 22,620,240.58 × 9,049,302.86
  4. Step 4: Simplify right side
    16,391,457.90x = 204,697,407,774,482.03
  5. Step 5: Solve for x
    x = 204,697,407,774,482.03/16,391,457.90
  6. Step 6: Final answer
    x = 12,488,053.78

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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.