Home / 15,569,515.16-21,486,000.87-8,505,205.81

Finding the Fourth Proportional to 15,569,515.16, 21,486,000.87 and 8,505,205.81

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Solution

The fourth proportional to 15,569,515.16, 21,486,000.87 and 8,505,205.81 is: 11,737,222.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,569,515.16 : 21,486,000.87 = 8,505,205.81 : x
  2. Step 2: Convert to fraction form
    15,569,515.16/21,486,000.87 = 8,505,205.81/x
  3. Step 3: Cross multiply
    15,569,515.16x = 21,486,000.87 × 8,505,205.81
  4. Step 4: Simplify right side
    15,569,515.16x = 182,742,859,433,189.06
  5. Step 5: Solve for x
    x = 182,742,859,433,189.06/15,569,515.16
  6. Step 6: Final answer
    x = 11,737,222.23

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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.