Home / 10,615,205.12-15,895,792.76-7,015,578.08

Finding the Fourth Proportional to 10,615,205.12, 15,895,792.76 and 7,015,578.08

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Solution

The fourth proportional to 10,615,205.12, 15,895,792.76 and 7,015,578.08 is: 10,505,512.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,615,205.12 : 15,895,792.76 = 7,015,578.08 : x
  2. Step 2: Convert to fraction form
    10,615,205.12/15,895,792.76 = 7,015,578.08/x
  3. Step 3: Cross multiply
    10,615,205.12x = 15,895,792.76 × 7,015,578.08
  4. Step 4: Simplify right side
    10,615,205.12x = 111,518,175,136,721.86
  5. Step 5: Solve for x
    x = 111,518,175,136,721.86/10,615,205.12
  6. Step 6: Final answer
    x = 10,505,512.98

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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.