Home / 12,560,159.60-17,332,032.12-7,127,651.60

Finding the Fourth Proportional to 12,560,159.60, 17,332,032.12 and 7,127,651.60

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Solution

The fourth proportional to 12,560,159.60, 17,332,032.12 and 7,127,651.60 is: 9,835,598.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560,159.60 : 17,332,032.12 = 7,127,651.60 : x
  2. Step 2: Convert to fraction form
    12,560,159.60/17,332,032.12 = 7,127,651.60/x
  3. Step 3: Cross multiply
    12,560,159.60x = 17,332,032.12 × 7,127,651.60
  4. Step 4: Simplify right side
    12,560,159.60x = 123,536,686,471,369.39
  5. Step 5: Solve for x
    x = 123,536,686,471,369.39/12,560,159.60
  6. Step 6: Final answer
    x = 9,835,598.46

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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.