Home / 13,452,030.70-20,178,046.05-12,708,013.30

Finding the Fourth Proportional to 13,452,030.70, 20,178,046.05 and 12,708,013.30

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Solution

The fourth proportional to 13,452,030.70, 20,178,046.05 and 12,708,013.30 is: 19,062,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452,030.70 : 20,178,046.05 = 12,708,013.30 : x
  2. Step 2: Convert to fraction form
    13,452,030.70/20,178,046.05 = 12,708,013.30/x
  3. Step 3: Cross multiply
    13,452,030.70x = 20,178,046.05 × 12,708,013.30
  4. Step 4: Simplify right side
    13,452,030.70x = 256,422,877,571,412.50
  5. Step 5: Solve for x
    x = 256,422,877,571,412.50/13,452,030.70
  6. Step 6: Final answer
    x = 19,062,019.95

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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.