Home / 15,115,851.67-22,670,040.75-6,478,972.70

Finding the Fourth Proportional to 15,115,851.67, 22,670,040.75 and 6,478,972.70

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Solution

The fourth proportional to 15,115,851.67, 22,670,040.75 and 6,478,972.70 is: 9,716,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,115,851.67 : 22,670,040.75 = 6,478,972.70 : x
  2. Step 2: Convert to fraction form
    15,115,851.67/22,670,040.75 = 6,478,972.70/x
  3. Step 3: Cross multiply
    15,115,851.67x = 22,670,040.75 × 6,478,972.70
  4. Step 4: Simplify right side
    15,115,851.67x = 146,878,575,127,137.53
  5. Step 5: Solve for x
    x = 146,878,575,127,137.53/15,115,851.67
  6. Step 6: Final answer
    x = 9,716,857.40

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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.