Home / 13,103,177.42-18,081,632.63-7,520,242.10

Finding the Fourth Proportional to 13,103,177.42, 18,081,632.63 and 7,520,242.10

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Solution

The fourth proportional to 13,103,177.42, 18,081,632.63 and 7,520,242.10 is: 10,377,502.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103,177.42 : 18,081,632.63 = 7,520,242.10 : x
  2. Step 2: Convert to fraction form
    13,103,177.42/18,081,632.63 = 7,520,242.10/x
  3. Step 3: Cross multiply
    13,103,177.42x = 18,081,632.63 × 7,520,242.10
  4. Step 4: Simplify right side
    13,103,177.42x = 135,978,254,869,252.16
  5. Step 5: Solve for x
    x = 135,978,254,869,252.16/13,103,177.42
  6. Step 6: Final answer
    x = 10,377,502.38

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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.