Home / 12,652,113.60-17,459,543.52-7,145,714.16

Finding the Fourth Proportional to 12,652,113.60, 17,459,543.52 and 7,145,714.16

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Solution

The fourth proportional to 12,652,113.60, 17,459,543.52 and 7,145,714.16 is: 9,860,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,652,113.60 : 17,459,543.52 = 7,145,714.16 : x
  2. Step 2: Convert to fraction form
    12,652,113.60/17,459,543.52 = 7,145,714.16/x
  3. Step 3: Cross multiply
    12,652,113.60x = 17,459,543.52 × 7,145,714.16
  4. Step 4: Simplify right side
    12,652,113.60x = 124,760,907,358,000.25
  5. Step 5: Solve for x
    x = 124,760,907,358,000.25/12,652,113.60
  6. Step 6: Final answer
    x = 9,860,874.74

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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.