Home / 15,832,856.28-21,835,839.40-12,170,645.40

Finding the Fourth Proportional to 15,832,856.28, 21,835,839.40 and 12,170,645.40

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Solution

The fourth proportional to 15,832,856.28, 21,835,839.40 and 12,170,645.40 is: 16,785,111.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,832,856.28 : 21,835,839.40 = 12,170,645.40 : x
  2. Step 2: Convert to fraction form
    15,832,856.28/21,835,839.40 = 12,170,645.40/x
  3. Step 3: Cross multiply
    15,832,856.28x = 21,835,839.40 × 12,170,645.40
  4. Step 4: Simplify right side
    15,832,856.28x = 265,756,258,348,748.75
  5. Step 5: Solve for x
    x = 265,756,258,348,748.75/15,832,856.28
  6. Step 6: Final answer
    x = 16,785,111.52

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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.