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Finding the Fourth Proportional to 8,987,841, 12,403,264.32 and 4,913,460

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Solution

The fourth proportional to 8,987,841, 12,403,264.32 and 4,913,460 is: 6,780,598.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987,841 : 12,403,264.32 = 4,913,460 : x
  2. Step 2: Convert to fraction form
    8,987,841/12,403,264.32 = 4,913,460/x
  3. Step 3: Cross multiply
    8,987,841x = 12,403,264.32 × 4,913,460
  4. Step 4: Simplify right side
    8,987,841x = 60,942,943,105,747.20
  5. Step 5: Solve for x
    x = 60,942,943,105,747.20/8,987,841
  6. Step 6: Final answer
    x = 6,780,598.71

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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.