Home / 10,347,486.76-14,279,545.89-5,637,858.82

Finding the Fourth Proportional to 10,347,486.76, 14,279,545.89 and 5,637,858.82

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Solution

The fourth proportional to 10,347,486.76, 14,279,545.89 and 5,637,858.82 is: 7,780,252.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347,486.76 : 14,279,545.89 = 5,637,858.82 : x
  2. Step 2: Convert to fraction form
    10,347,486.76/14,279,545.89 = 5,637,858.82/x
  3. Step 3: Cross multiply
    10,347,486.76x = 14,279,545.89 × 5,637,858.82
  4. Step 4: Simplify right side
    10,347,486.76x = 80,506,063,741,531.25
  5. Step 5: Solve for x
    x = 80,506,063,741,531.25/10,347,486.76
  6. Step 6: Final answer
    x = 7,780,252.89

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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.