Home / 10,638,291.60-15,957,437.40-2,961,921.60

Finding the Fourth Proportional to 10,638,291.60, 15,957,437.40 and 2,961,921.60

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Solution

The fourth proportional to 10,638,291.60, 15,957,437.40 and 2,961,921.60 is: 4,442,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638,291.60 : 15,957,437.40 = 2,961,921.60 : x
  2. Step 2: Convert to fraction form
    10,638,291.60/15,957,437.40 = 2,961,921.60/x
  3. Step 3: Cross multiply
    10,638,291.60x = 15,957,437.40 × 2,961,921.60
  4. Step 4: Simplify right side
    10,638,291.60x = 47,264,678,515,707.84
  5. Step 5: Solve for x
    x = 47,264,678,515,707.84/10,638,291.60
  6. Step 6: Final answer
    x = 4,442,882.40

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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.