Home / 13,608,257.60-20,412,386.40-9,781,882.40

Finding the Fourth Proportional to 13,608,257.60, 20,412,386.40 and 9,781,882.40

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Solution

The fourth proportional to 13,608,257.60, 20,412,386.40 and 9,781,882.40 is: 14,672,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,257.60 : 20,412,386.40 = 9,781,882.40 : x
  2. Step 2: Convert to fraction form
    13,608,257.60/20,412,386.40 = 9,781,882.40/x
  3. Step 3: Cross multiply
    13,608,257.60x = 20,412,386.40 × 9,781,882.40
  4. Step 4: Simplify right side
    13,608,257.60x = 199,671,563,268,159.34
  5. Step 5: Solve for x
    x = 199,671,563,268,159.34/13,608,257.60
  6. Step 6: Final answer
    x = 14,672,823.60

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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.