Home / 12,027,821.15-16,598,516.53-6,521,206.65

Finding the Fourth Proportional to 12,027,821.15, 16,598,516.53 and 6,521,206.65

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Solution

The fourth proportional to 12,027,821.15, 16,598,516.53 and 6,521,206.65 is: 8,999,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,027,821.15 : 16,598,516.53 = 6,521,206.65 : x
  2. Step 2: Convert to fraction form
    12,027,821.15/16,598,516.53 = 6,521,206.65/x
  3. Step 3: Cross multiply
    12,027,821.15x = 16,598,516.53 × 6,521,206.65
  4. Step 4: Simplify right side
    12,027,821.15x = 108,242,356,386,354.38
  5. Step 5: Solve for x
    x = 108,242,356,386,354.38/12,027,821.15
  6. Step 6: Final answer
    x = 8,999,332.05

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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.