Home / 18,931,497.75-26,127,542.82-10,985,790.48

Finding the Fourth Proportional to 18,931,497.75, 26,127,542.82 and 10,985,790.48

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Solution

The fourth proportional to 18,931,497.75, 26,127,542.82 and 10,985,790.48 is: 15,161,595.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,931,497.75 : 26,127,542.82 = 10,985,790.48 : x
  2. Step 2: Convert to fraction form
    18,931,497.75/26,127,542.82 = 10,985,790.48/x
  3. Step 3: Cross multiply
    18,931,497.75x = 26,127,542.82 × 10,985,790.48
  4. Step 4: Simplify right side
    18,931,497.75x = 287,031,711,177,748.38
  5. Step 5: Solve for x
    x = 287,031,711,177,748.38/18,931,497.75
  6. Step 6: Final answer
    x = 15,161,595.50

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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.