Home / 13,359,014.19-18,435,475.31-7,247,442.69

Finding the Fourth Proportional to 13,359,014.19, 18,435,475.31 and 7,247,442.69

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Solution

The fourth proportional to 13,359,014.19, 18,435,475.31 and 7,247,442.69 is: 10,001,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359,014.19 : 18,435,475.31 = 7,247,442.69 : x
  2. Step 2: Convert to fraction form
    13,359,014.19/18,435,475.31 = 7,247,442.69/x
  3. Step 3: Cross multiply
    13,359,014.19x = 18,435,475.31 × 7,247,442.69
  4. Step 4: Simplify right side
    13,359,014.19x = 133,610,050,772,134.98
  5. Step 5: Solve for x
    x = 133,610,050,772,134.98/13,359,014.19
  6. Step 6: Final answer
    x = 10,001,490.30

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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.