Home / 26,959,938.40-40,439,907.60-7,791,320.80

Finding the Fourth Proportional to 26,959,938.40, 40,439,907.60 and 7,791,320.80

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Solution

The fourth proportional to 26,959,938.40, 40,439,907.60 and 7,791,320.80 is: 11,686,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,959,938.40 : 40,439,907.60 = 7,791,320.80 : x
  2. Step 2: Convert to fraction form
    26,959,938.40/40,439,907.60 = 7,791,320.80/x
  3. Step 3: Cross multiply
    26,959,938.40x = 40,439,907.60 × 7,791,320.80
  4. Step 4: Simplify right side
    26,959,938.40x = 315,080,293,233,958.06
  5. Step 5: Solve for x
    x = 315,080,293,233,958.06/26,959,938.40
  6. Step 6: Final answer
    x = 11,686,981.20

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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.