Home / 40,479,993.28-60,719,942.76-13,186,242.01

Finding the Fourth Proportional to 40,479,993.28, 60,719,942.76 and 13,186,242.01

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Solution

The fourth proportional to 40,479,993.28, 60,719,942.76 and 13,186,242.01 is: 19,779,347.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,479,993.28 : 60,719,942.76 = 13,186,242.01 : x
  2. Step 2: Convert to fraction form
    40,479,993.28/60,719,942.76 = 13,186,242.01/x
  3. Step 3: Cross multiply
    40,479,993.28x = 60,719,942.76 × 13,186,242.01
  4. Step 4: Simplify right side
    40,479,993.28x = 800,667,860,066,707.25
  5. Step 5: Solve for x
    x = 800,667,860,066,707.25/40,479,993.28
  6. Step 6: Final answer
    x = 19,779,347.65

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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.