Home / 9,239,897.75-12,751,143.53-5,109,715.44

Finding the Fourth Proportional to 9,239,897.75, 12,751,143.53 and 5,109,715.44

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Solution

The fourth proportional to 9,239,897.75, 12,751,143.53 and 5,109,715.44 is: 7,051,454.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239,897.75 : 12,751,143.53 = 5,109,715.44 : x
  2. Step 2: Convert to fraction form
    9,239,897.75/12,751,143.53 = 5,109,715.44/x
  3. Step 3: Cross multiply
    9,239,897.75x = 12,751,143.53 × 5,109,715.44
  4. Step 4: Simplify right side
    9,239,897.75x = 65,154,714,947,348.53
  5. Step 5: Solve for x
    x = 65,154,714,947,348.53/9,239,897.75
  6. Step 6: Final answer
    x = 7,051,454.11

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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.