Home / 12,988,550.24-17,926,100.52-7,480,866.14

Finding the Fourth Proportional to 12,988,550.24, 17,926,100.52 and 7,480,866.14

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Solution

The fourth proportional to 12,988,550.24, 17,926,100.52 and 7,480,866.14 is: 10,324,690.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,988,550.24 : 17,926,100.52 = 7,480,866.14 : x
  2. Step 2: Convert to fraction form
    12,988,550.24/17,926,100.52 = 7,480,866.14/x
  3. Step 3: Cross multiply
    12,988,550.24x = 17,926,100.52 × 7,480,866.14
  4. Step 4: Simplify right side
    12,988,550.24x = 134,102,758,402,304.39
  5. Step 5: Solve for x
    x = 134,102,758,402,304.39/12,988,550.24
  6. Step 6: Final answer
    x = 10,324,690.28

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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.