Home / 12,988,032.75-17,925,376.86-7,480,335.69

Finding the Fourth Proportional to 12,988,032.75, 17,925,376.86 and 7,480,335.69

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Solution

The fourth proportional to 12,988,032.75, 17,925,376.86 and 7,480,335.69 is: 10,323,952.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,988,032.75 : 17,925,376.86 = 7,480,335.69 : x
  2. Step 2: Convert to fraction form
    12,988,032.75/17,925,376.86 = 7,480,335.69/x
  3. Step 3: Cross multiply
    12,988,032.75x = 17,925,376.86 × 7,480,335.69
  4. Step 4: Simplify right side
    12,988,032.75x = 134,087,836,282,558.14
  5. Step 5: Solve for x
    x = 134,087,836,282,558.14/12,988,032.75
  6. Step 6: Final answer
    x = 10,323,952.74

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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.