Home / 10,364,036.80-15,546,055.20-7,972,552.30

Finding the Fourth Proportional to 10,364,036.80, 15,546,055.20 and 7,972,552.30

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Solution

The fourth proportional to 10,364,036.80, 15,546,055.20 and 7,972,552.30 is: 11,958,828.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364,036.80 : 15,546,055.20 = 7,972,552.30 : x
  2. Step 2: Convert to fraction form
    10,364,036.80/15,546,055.20 = 7,972,552.30/x
  3. Step 3: Cross multiply
    10,364,036.80x = 15,546,055.20 × 7,972,552.30
  4. Step 4: Simplify right side
    10,364,036.80x = 123,941,738,140,686.95
  5. Step 5: Solve for x
    x = 123,941,738,140,686.95/10,364,036.80
  6. Step 6: Final answer
    x = 11,958,828.45

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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.