Home / 18,941,077.15-28,412,630.03-5,986,242.07

Finding the Fourth Proportional to 18,941,077.15, 28,412,630.03 and 5,986,242.07

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Solution

The fourth proportional to 18,941,077.15, 28,412,630.03 and 5,986,242.07 is: 8,979,683.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941,077.15 : 28,412,630.03 = 5,986,242.07 : x
  2. Step 2: Convert to fraction form
    18,941,077.15/28,412,630.03 = 5,986,242.07/x
  3. Step 3: Cross multiply
    18,941,077.15x = 28,412,630.03 × 5,986,242.07
  4. Step 4: Simplify right side
    18,941,077.15x = 170,084,881,148,865.38
  5. Step 5: Solve for x
    x = 170,084,881,148,865.38/18,941,077.15
  6. Step 6: Final answer
    x = 8,979,683.67

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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.