Home / 11,155,218.40-16,732,827.60-10,399,391.20

Finding the Fourth Proportional to 11,155,218.40, 16,732,827.60 and 10,399,391.20

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Solution

The fourth proportional to 11,155,218.40, 16,732,827.60 and 10,399,391.20 is: 15,599,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155,218.40 : 16,732,827.60 = 10,399,391.20 : x
  2. Step 2: Convert to fraction form
    11,155,218.40/16,732,827.60 = 10,399,391.20/x
  3. Step 3: Cross multiply
    11,155,218.40x = 16,732,827.60 × 10,399,391.20
  4. Step 4: Simplify right side
    11,155,218.40x = 174,011,220,094,557.09
  5. Step 5: Solve for x
    x = 174,011,220,094,557.09/11,155,218.40
  6. Step 6: Final answer
    x = 15,599,086.80

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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.