Home / 8,113,458.98-12,172,735.11-4,878,720.74

Finding the Fourth Proportional to 8,113,458.98, 12,172,735.11 and 4,878,720.74

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Solution

The fourth proportional to 8,113,458.98, 12,172,735.11 and 4,878,720.74 is: 7,319,612.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113,458.98 : 12,172,735.11 = 4,878,720.74 : x
  2. Step 2: Convert to fraction form
    8,113,458.98/12,172,735.11 = 4,878,720.74/x
  3. Step 3: Cross multiply
    8,113,458.98x = 12,172,735.11 × 4,878,720.74
  4. Step 4: Simplify right side
    8,113,458.98x = 59,387,375,243,683.18
  5. Step 5: Solve for x
    x = 59,387,375,243,683.18/8,113,458.98
  6. Step 6: Final answer
    x = 7,319,612.44

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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.