Home / 13,585,905.72-18,748,521.90-7,474,319.64

Finding the Fourth Proportional to 13,585,905.72, 18,748,521.90 and 7,474,319.64

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Solution

The fourth proportional to 13,585,905.72, 18,748,521.90 and 7,474,319.64 is: 10,314,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585,905.72 : 18,748,521.90 = 7,474,319.64 : x
  2. Step 2: Convert to fraction form
    13,585,905.72/18,748,521.90 = 7,474,319.64/x
  3. Step 3: Cross multiply
    13,585,905.72x = 18,748,521.90 × 7,474,319.64
  4. Step 4: Simplify right side
    13,585,905.72x = 140,132,445,458,140.09
  5. Step 5: Solve for x
    x = 140,132,445,458,140.09/13,585,905.72
  6. Step 6: Final answer
    x = 10,314,545.70

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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.