Home / 9,345,689.25-12,897,219.12-5,480,997.81

Finding the Fourth Proportional to 9,345,689.25, 12,897,219.12 and 5,480,997.81

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Solution

The fourth proportional to 9,345,689.25, 12,897,219.12 and 5,480,997.81 is: 7,563,875.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,345,689.25 : 12,897,219.12 = 5,480,997.81 : x
  2. Step 2: Convert to fraction form
    9,345,689.25/12,897,219.12 = 5,480,997.81/x
  3. Step 3: Cross multiply
    9,345,689.25x = 12,897,219.12 × 5,480,997.81
  4. Step 4: Simplify right side
    9,345,689.25x = 70,689,629,751,810.12
  5. Step 5: Solve for x
    x = 70,689,629,751,810.12/9,345,689.25
  6. Step 6: Final answer
    x = 7,563,875.48

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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.