Home / 11,506,515.35-15,884,961.33-8,405,557.11

Finding the Fourth Proportional to 11,506,515.35, 15,884,961.33 and 8,405,557.11

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Solution

The fourth proportional to 11,506,515.35, 15,884,961.33 and 8,405,557.11 is: 11,604,030.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,506,515.35 : 15,884,961.33 = 8,405,557.11 : x
  2. Step 2: Convert to fraction form
    11,506,515.35/15,884,961.33 = 8,405,557.11/x
  3. Step 3: Cross multiply
    11,506,515.35x = 15,884,961.33 × 8,405,557.11
  4. Step 4: Simplify right side
    11,506,515.35x = 133,521,949,680,977.39
  5. Step 5: Solve for x
    x = 133,521,949,680,977.39/11,506,515.35
  6. Step 6: Final answer
    x = 11,604,030.04

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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.