Home / 11,150,712.54-15,359,312.07-7,881,907.50

Finding the Fourth Proportional to 11,150,712.54, 15,359,312.07 and 7,881,907.50

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Solution

The fourth proportional to 11,150,712.54, 15,359,312.07 and 7,881,907.50 is: 10,856,766.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150,712.54 : 15,359,312.07 = 7,881,907.50 : x
  2. Step 2: Convert to fraction form
    11,150,712.54/15,359,312.07 = 7,881,907.50/x
  3. Step 3: Cross multiply
    11,150,712.54x = 15,359,312.07 × 7,881,907.50
  4. Step 4: Simplify right side
    11,150,712.54x = 121,060,676,999,373.53
  5. Step 5: Solve for x
    x = 121,060,676,999,373.53/11,150,712.54
  6. Step 6: Final answer
    x = 10,856,766.02

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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.