Home / 13,587,212.16-18,750,537.52-7,392,332.87

Finding the Fourth Proportional to 13,587,212.16, 18,750,537.52 and 7,392,332.87

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Solution

The fourth proportional to 13,587,212.16, 18,750,537.52 and 7,392,332.87 is: 10,201,519.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587,212.16 : 18,750,537.52 = 7,392,332.87 : x
  2. Step 2: Convert to fraction form
    13,587,212.16/18,750,537.52 = 7,392,332.87/x
  3. Step 3: Cross multiply
    13,587,212.16x = 18,750,537.52 × 7,392,332.87
  4. Step 4: Simplify right side
    13,587,212.16x = 138,610,214,797,345.27
  5. Step 5: Solve for x
    x = 138,610,214,797,345.27/13,587,212.16
  6. Step 6: Final answer
    x = 10,201,519.87

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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.