Home / 18,756,223.30-28,130,398.28-5,289,902.02

Finding the Fourth Proportional to 18,756,223.30, 28,130,398.28 and 5,289,902.02

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Solution

The fourth proportional to 18,756,223.30, 28,130,398.28 and 5,289,902.02 is: 7,933,742.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756,223.30 : 28,130,398.28 = 5,289,902.02 : x
  2. Step 2: Convert to fraction form
    18,756,223.30/28,130,398.28 = 5,289,902.02/x
  3. Step 3: Cross multiply
    18,756,223.30x = 28,130,398.28 × 5,289,902.02
  4. Step 4: Simplify right side
    18,756,223.30x = 148,807,050,684,776.53
  5. Step 5: Solve for x
    x = 148,807,050,684,776.53/18,756,223.30
  6. Step 6: Final answer
    x = 7,933,742.75

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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.