Home / 28,236,389.76-38,966,218.38-16,013,246.76

Finding the Fourth Proportional to 28,236,389.76, 38,966,218.38 and 16,013,246.76

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Solution

The fourth proportional to 28,236,389.76, 38,966,218.38 and 16,013,246.76 is: 22,098,280.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,236,389.76 : 38,966,218.38 = 16,013,246.76 : x
  2. Step 2: Convert to fraction form
    28,236,389.76/38,966,218.38 = 16,013,246.76/x
  3. Step 3: Cross multiply
    28,236,389.76x = 38,966,218.38 × 16,013,246.76
  4. Step 4: Simplify right side
    28,236,389.76x = 623,975,670,222,987.50
  5. Step 5: Solve for x
    x = 623,975,670,222,987.50/28,236,389.76
  6. Step 6: Final answer
    x = 22,098,280.82

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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.