Home / 12,458,041.40-18,687,062.10-11,702,214.20

Finding the Fourth Proportional to 12,458,041.40, 18,687,062.10 and 11,702,214.20

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Solution

The fourth proportional to 12,458,041.40, 18,687,062.10 and 11,702,214.20 is: 17,553,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458,041.40 : 18,687,062.10 = 11,702,214.20 : x
  2. Step 2: Convert to fraction form
    12,458,041.40/18,687,062.10 = 11,702,214.20/x
  3. Step 3: Cross multiply
    12,458,041.40x = 18,687,062.10 × 11,702,214.20
  4. Step 4: Simplify right side
    12,458,041.40x = 218,680,003,462,901.81
  5. Step 5: Solve for x
    x = 218,680,003,462,901.81/12,458,041.40
  6. Step 6: Final answer
    x = 17,553,321.30

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1.5x scale

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.