Home / 13,146,412.60-18,142,988.16-7,265,920.42

Finding the Fourth Proportional to 13,146,412.60, 18,142,988.16 and 7,265,920.42

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Solution

The fourth proportional to 13,146,412.60, 18,142,988.16 and 7,265,920.42 is: 10,027,489.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,412.60 : 18,142,988.16 = 7,265,920.42 : x
  2. Step 2: Convert to fraction form
    13,146,412.60/18,142,988.16 = 7,265,920.42/x
  3. Step 3: Cross multiply
    13,146,412.60x = 18,142,988.16 × 7,265,920.42
  4. Step 4: Simplify right side
    13,146,412.60x = 131,825,508,151,562.23
  5. Step 5: Solve for x
    x = 131,825,508,151,562.23/13,146,412.60
  6. Step 6: Final answer
    x = 10,027,489.03

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1.5x scale

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.