Home / 18,756,613.32-28,130,983.11-5,290,292.04

Finding the Fourth Proportional to 18,756,613.32, 28,130,983.11 and 5,290,292.04

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Solution

The fourth proportional to 18,756,613.32, 28,130,983.11 and 5,290,292.04 is: 7,934,327.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756,613.32 : 28,130,983.11 = 5,290,292.04 : x
  2. Step 2: Convert to fraction form
    18,756,613.32/28,130,983.11 = 5,290,292.04/x
  3. Step 3: Cross multiply
    18,756,613.32x = 28,130,983.11 × 5,290,292.04
  4. Step 4: Simplify right side
    18,756,613.32x = 148,821,116,024,207.44
  5. Step 5: Solve for x
    x = 148,821,116,024,207.44/18,756,613.32
  6. Step 6: Final answer
    x = 7,934,327.67

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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.