Home / 13,480,257.40-20,220,386.10-10,456,948.60

Finding the Fourth Proportional to 13,480,257.40, 20,220,386.10 and 10,456,948.60

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Solution

The fourth proportional to 13,480,257.40, 20,220,386.10 and 10,456,948.60 is: 15,685,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,257.40 : 20,220,386.10 = 10,456,948.60 : x
  2. Step 2: Convert to fraction form
    13,480,257.40/20,220,386.10 = 10,456,948.60/x
  3. Step 3: Cross multiply
    13,480,257.40x = 20,220,386.10 × 10,456,948.60
  4. Step 4: Simplify right side
    13,480,257.40x = 211,443,538,119,854.47
  5. Step 5: Solve for x
    x = 211,443,538,119,854.47/13,480,257.40
  6. Step 6: Final answer
    x = 15,685,422.90

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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.