Home / 12,803,894.40-17,669,125.98-7,002,658.20

Finding the Fourth Proportional to 12,803,894.40, 17,669,125.98 and 7,002,658.20

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Solution

The fourth proportional to 12,803,894.40, 17,669,125.98 and 7,002,658.20 is: 9,663,532.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,803,894.40 : 17,669,125.98 = 7,002,658.20 : x
  2. Step 2: Convert to fraction form
    12,803,894.40/17,669,125.98 = 7,002,658.20/x
  3. Step 3: Cross multiply
    12,803,894.40x = 17,669,125.98 × 7,002,658.20
  4. Step 4: Simplify right side
    12,803,894.40x = 123,730,849,930,680.05
  5. Step 5: Solve for x
    x = 123,730,849,930,680.05/12,803,894.40
  6. Step 6: Final answer
    x = 9,663,532.52

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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.