Home / 7,155,330.13-9,874,407.63-3,892,173.04

Finding the Fourth Proportional to 7,155,330.13, 9,874,407.63 and 3,892,173.04

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Solution

The fourth proportional to 7,155,330.13, 9,874,407.63 and 3,892,173.04 is: 5,371,227.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155,330.13 : 9,874,407.63 = 3,892,173.04 : x
  2. Step 2: Convert to fraction form
    7,155,330.13/9,874,407.63 = 3,892,173.04/x
  3. Step 3: Cross multiply
    7,155,330.13x = 9,874,407.63 × 3,892,173.04
  4. Step 4: Simplify right side
    7,155,330.13x = 38,432,903,163,456.30
  5. Step 5: Solve for x
    x = 38,432,903,163,456.30/7,155,330.13
  6. Step 6: Final answer
    x = 5,371,227.11

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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.