Home / 26,121,970.80-39,172,703.40-9,939,327.60

Finding the Fourth Proportional to 26,121,970.80, 39,172,703.40 and 9,939,327.60

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Solution

The fourth proportional to 26,121,970.80, 39,172,703.40 and 9,939,327.60 is: 14,905,090.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,121,970.80 : 39,172,703.40 = 9,939,327.60 : x
  2. Step 2: Convert to fraction form
    26,121,970.80/39,172,703.40 = 9,939,327.60/x
  3. Step 3: Cross multiply
    26,121,970.80x = 39,172,703.40 × 9,939,327.60
  4. Step 4: Simplify right side
    26,121,970.80x = 389,350,332,070,233.81
  5. Step 5: Solve for x
    x = 389,350,332,070,233.81/26,121,970.80
  6. Step 6: Final answer
    x = 14,905,090.24

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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.