Home / 15,756,025.76-21,743,294.48-8,512,681.76

Finding the Fourth Proportional to 15,756,025.76, 21,743,294.48 and 8,512,681.76

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Solution

The fourth proportional to 15,756,025.76, 21,743,294.48 and 8,512,681.76 is: 11,747,489.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756,025.76 : 21,743,294.48 = 8,512,681.76 : x
  2. Step 2: Convert to fraction form
    15,756,025.76/21,743,294.48 = 8,512,681.76/x
  3. Step 3: Cross multiply
    15,756,025.76x = 21,743,294.48 × 8,512,681.76
  4. Step 4: Simplify right side
    15,756,025.76x = 185,093,746,322,204.69
  5. Step 5: Solve for x
    x = 185,093,746,322,204.69/15,756,025.76
  6. Step 6: Final answer
    x = 11,747,489.45

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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.