Home / 13,610,390.40-20,394,590.40-11,804,803.20

Finding the Fourth Proportional to 13,610,390.40, 20,394,590.40 and 11,804,803.20

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Solution

The fourth proportional to 13,610,390.40, 20,394,590.40 and 11,804,803.20 is: 17,688,994.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610,390.40 : 20,394,590.40 = 11,804,803.20 : x
  2. Step 2: Convert to fraction form
    13,610,390.40/20,394,590.40 = 11,804,803.20/x
  3. Step 3: Cross multiply
    13,610,390.40x = 20,394,590.40 × 11,804,803.20
  4. Step 4: Simplify right side
    13,610,390.40x = 240,754,126,016,609.25
  5. Step 5: Solve for x
    x = 240,754,126,016,609.25/13,610,390.40
  6. Step 6: Final answer
    x = 17,688,994.87

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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.