Home / 11,306,156.61-15,601,080-7,643,043.39

Finding the Fourth Proportional to 11,306,156.61, 15,601,080 and 7,643,043.39

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Solution

The fourth proportional to 11,306,156.61, 15,601,080 and 7,643,043.39 is: 10,546,442.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306,156.61 : 15,601,080 = 7,643,043.39 : x
  2. Step 2: Convert to fraction form
    11,306,156.61/15,601,080 = 7,643,043.39/x
  3. Step 3: Cross multiply
    11,306,156.61x = 15,601,080 × 7,643,043.39
  4. Step 4: Simplify right side
    11,306,156.61x = 119,239,731,370,861.19
  5. Step 5: Solve for x
    x = 119,239,731,370,861.19/11,306,156.61
  6. Step 6: Final answer
    x = 10,546,442.57

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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.