Home / 13,772,032.40-20,633,165.40-11,781,376.40

Finding the Fourth Proportional to 13,772,032.40, 20,633,165.40 and 11,781,376.40

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Solution

The fourth proportional to 13,772,032.40, 20,633,165.40 and 11,781,376.40 is: 17,650,778.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772,032.40 : 20,633,165.40 = 11,781,376.40 : x
  2. Step 2: Convert to fraction form
    13,772,032.40/20,633,165.40 = 11,781,376.40/x
  3. Step 3: Cross multiply
    13,772,032.40x = 20,633,165.40 × 11,781,376.40
  4. Step 4: Simplify right side
    13,772,032.40x = 243,087,087,900,856.56
  5. Step 5: Solve for x
    x = 243,087,087,900,856.56/13,772,032.40
  6. Step 6: Final answer
    x = 17,650,778.10

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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.