Home / 13,422,731.60-20,110,477.80-11,013,532.40

Finding the Fourth Proportional to 13,422,731.60, 20,110,477.80 and 11,013,532.40

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Solution

The fourth proportional to 13,422,731.60, 20,110,477.80 and 11,013,532.40 is: 16,500,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,422,731.60 : 20,110,477.80 = 11,013,532.40 : x
  2. Step 2: Convert to fraction form
    13,422,731.60/20,110,477.80 = 11,013,532.40/x
  3. Step 3: Cross multiply
    13,422,731.60x = 20,110,477.80 × 11,013,532.40
  4. Step 4: Simplify right side
    13,422,731.60x = 221,487,398,829,780.75
  5. Step 5: Solve for x
    x = 221,487,398,829,780.75/13,422,731.60
  6. Step 6: Final answer
    x = 16,500,918.40

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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.