Home / 12,259,131.28-16,917,601.07-7,105,482.16

Finding the Fourth Proportional to 12,259,131.28, 16,917,601.07 and 7,105,482.16

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Solution

The fourth proportional to 12,259,131.28, 16,917,601.07 and 7,105,482.16 is: 9,805,565.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259,131.28 : 16,917,601.07 = 7,105,482.16 : x
  2. Step 2: Convert to fraction form
    12,259,131.28/16,917,601.07 = 7,105,482.16/x
  3. Step 3: Cross multiply
    12,259,131.28x = 16,917,601.07 × 7,105,482.16
  4. Step 4: Simplify right side
    12,259,131.28x = 120,207,712,592,881.92
  5. Step 5: Solve for x
    x = 120,207,712,592,881.92/12,259,131.28
  6. Step 6: Final answer
    x = 9,805,565.32

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Double scale
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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.