Home / 9,521,897.04-13,144,238.69-6,428,608.78

Finding the Fourth Proportional to 9,521,897.04, 13,144,238.69 and 6,428,608.78

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Solution

The fourth proportional to 9,521,897.04, 13,144,238.69 and 6,428,608.78 is: 8,874,194.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521,897.04 : 13,144,238.69 = 6,428,608.78 : x
  2. Step 2: Convert to fraction form
    9,521,897.04/13,144,238.69 = 6,428,608.78/x
  3. Step 3: Cross multiply
    9,521,897.04x = 13,144,238.69 × 6,428,608.78
  4. Step 4: Simplify right side
    9,521,897.04x = 84,499,168,248,949.70
  5. Step 5: Solve for x
    x = 84,499,168,248,949.70/9,521,897.04
  6. Step 6: Final answer
    x = 8,874,194.70

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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.