Home / 45,294,049.38-67,935,986.16-12,509,279.01

Finding the Fourth Proportional to 45,294,049.38, 67,935,986.16 and 12,509,279.01

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Solution

The fourth proportional to 45,294,049.38, 67,935,986.16 and 12,509,279.01 is: 18,762,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,294,049.38 : 67,935,986.16 = 12,509,279.01 : x
  2. Step 2: Convert to fraction form
    45,294,049.38/67,935,986.16 = 12,509,279.01/x
  3. Step 3: Cross multiply
    45,294,049.38x = 67,935,986.16 × 12,509,279.01
  4. Step 4: Simplify right side
    45,294,049.38x = 849,830,205,694,938.50
  5. Step 5: Solve for x
    x = 849,830,205,694,938.50/45,294,049.38
  6. Step 6: Final answer
    x = 18,762,513.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.