Home / 10,526,949.18-15,798,691.04-5,409,172.35

Finding the Fourth Proportional to 10,526,949.18, 15,798,691.04 and 5,409,172.35

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Solution

The fourth proportional to 10,526,949.18, 15,798,691.04 and 5,409,172.35 is: 8,118,006.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,526,949.18 : 15,798,691.04 = 5,409,172.35 : x
  2. Step 2: Convert to fraction form
    10,526,949.18/15,798,691.04 = 5,409,172.35/x
  3. Step 3: Cross multiply
    10,526,949.18x = 15,798,691.04 × 5,409,172.35
  4. Step 4: Simplify right side
    10,526,949.18x = 85,457,842,712,714.88
  5. Step 5: Solve for x
    x = 85,457,842,712,714.88/10,526,949.18
  6. Step 6: Final answer
    x = 8,118,006.58

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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.