Home / 12,842,728.39-17,723,518.64-7,685,097.13

Finding the Fourth Proportional to 12,842,728.39, 17,723,518.64 and 7,685,097.13

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Solution

The fourth proportional to 12,842,728.39, 17,723,518.64 and 7,685,097.13 is: 10,605,765.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842,728.39 : 17,723,518.64 = 7,685,097.13 : x
  2. Step 2: Convert to fraction form
    12,842,728.39/17,723,518.64 = 7,685,097.13/x
  3. Step 3: Cross multiply
    12,842,728.39x = 17,723,518.64 × 7,685,097.13
  4. Step 4: Simplify right side
    12,842,728.39x = 136,206,962,233,765.50
  5. Step 5: Solve for x
    x = 136,206,962,233,765.50/12,842,728.39
  6. Step 6: Final answer
    x = 10,605,765.23

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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.