Home / 7,218,036.45-10,820,326.91-3,619,598.58

Finding the Fourth Proportional to 7,218,036.45, 10,820,326.91 and 3,619,598.58

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Solution

The fourth proportional to 7,218,036.45, 10,820,326.91 and 3,619,598.58 is: 5,426,024.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,036.45 : 10,820,326.91 = 3,619,598.58 : x
  2. Step 2: Convert to fraction form
    7,218,036.45/10,820,326.91 = 3,619,598.58/x
  3. Step 3: Cross multiply
    7,218,036.45x = 10,820,326.91 × 3,619,598.58
  4. Step 4: Simplify right side
    7,218,036.45x = 39,165,239,900,473.80
  5. Step 5: Solve for x
    x = 39,165,239,900,473.80/7,218,036.45
  6. Step 6: Final answer
    x = 5,426,024.12

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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.