Home / 15,248,431.70-21,042,983.36-8,373,061.38

Finding the Fourth Proportional to 15,248,431.70, 21,042,983.36 and 8,373,061.38

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Solution

The fourth proportional to 15,248,431.70, 21,042,983.36 and 8,373,061.38 is: 11,554,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,248,431.70 : 21,042,983.36 = 8,373,061.38 : x
  2. Step 2: Convert to fraction form
    15,248,431.70/21,042,983.36 = 8,373,061.38/x
  3. Step 3: Cross multiply
    15,248,431.70x = 21,042,983.36 × 8,373,061.38
  4. Step 4: Simplify right side
    15,248,431.70x = 176,194,191,249,733.34
  5. Step 5: Solve for x
    x = 176,194,191,249,733.34/15,248,431.70
  6. Step 6: Final answer
    x = 11,554,905.76

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1.5x scale

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.