Home / 13,943,985.20-20,957,968.20-12,096,407.60

Finding the Fourth Proportional to 13,943,985.20, 20,957,968.20 and 12,096,407.60

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Solution

The fourth proportional to 13,943,985.20, 20,957,968.20 and 12,096,407.60 is: 18,181,038.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943,985.20 : 20,957,968.20 = 12,096,407.60 : x
  2. Step 2: Convert to fraction form
    13,943,985.20/20,957,968.20 = 12,096,407.60/x
  3. Step 3: Cross multiply
    13,943,985.20x = 20,957,968.20 × 12,096,407.60
  4. Step 4: Simplify right side
    13,943,985.20x = 253,516,125,815,038.31
  5. Step 5: Solve for x
    x = 253,516,125,815,038.31/13,943,985.20
  6. Step 6: Final answer
    x = 18,181,038.07

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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.