Home / 16,871,010.40-25,306,515.60-12,358,856.80

Finding the Fourth Proportional to 16,871,010.40, 25,306,515.60 and 12,358,856.80

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Solution

The fourth proportional to 16,871,010.40, 25,306,515.60 and 12,358,856.80 is: 18,538,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871,010.40 : 25,306,515.60 = 12,358,856.80 : x
  2. Step 2: Convert to fraction form
    16,871,010.40/25,306,515.60 = 12,358,856.80/x
  3. Step 3: Cross multiply
    16,871,010.40x = 25,306,515.60 × 12,358,856.80
  4. Step 4: Simplify right side
    16,871,010.40x = 312,759,602,407,366.12
  5. Step 5: Solve for x
    x = 312,759,602,407,366.12/16,871,010.40
  6. Step 6: Final answer
    x = 18,538,285.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.