Home / 15,323,719.84-21,146,726.55-8,797,770.16

Finding the Fourth Proportional to 15,323,719.84, 21,146,726.55 and 8,797,770.16

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Solution

The fourth proportional to 15,323,719.84, 21,146,726.55 and 8,797,770.16 is: 12,140,918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323,719.84 : 21,146,726.55 = 8,797,770.16 : x
  2. Step 2: Convert to fraction form
    15,323,719.84/21,146,726.55 = 8,797,770.16/x
  3. Step 3: Cross multiply
    15,323,719.84x = 21,146,726.55 × 8,797,770.16
  4. Step 4: Simplify right side
    15,323,719.84x = 186,044,039,823,269.75
  5. Step 5: Solve for x
    x = 186,044,039,823,269.75/15,323,719.84
  6. Step 6: Final answer
    x = 12,140,918.90

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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.