Home / 15,680,421.76-23,486,340.48-11,117,639.92

Finding the Fourth Proportional to 15,680,421.76, 23,486,340.48 and 11,117,639.92

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Solution

The fourth proportional to 15,680,421.76, 23,486,340.48 and 11,117,639.92 is: 16,652,146.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,680,421.76 : 23,486,340.48 = 11,117,639.92 : x
  2. Step 2: Convert to fraction form
    15,680,421.76/23,486,340.48 = 11,117,639.92/x
  3. Step 3: Cross multiply
    15,680,421.76x = 23,486,340.48 × 11,117,639.92
  4. Step 4: Simplify right side
    15,680,421.76x = 261,112,676,495,159.97
  5. Step 5: Solve for x
    x = 261,112,676,495,159.97/15,680,421.76
  6. Step 6: Final answer
    x = 16,652,146.26

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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.