Home / 7,221,017.70-10,828,902.15-2,428,863.30

Finding the Fourth Proportional to 7,221,017.70, 10,828,902.15 and 2,428,863.30

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Solution

The fourth proportional to 7,221,017.70, 10,828,902.15 and 2,428,863.30 is: 3,642,412.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221,017.70 : 10,828,902.15 = 2,428,863.30 : x
  2. Step 2: Convert to fraction form
    7,221,017.70/10,828,902.15 = 2,428,863.30/x
  3. Step 3: Cross multiply
    7,221,017.70x = 10,828,902.15 × 2,428,863.30
  4. Step 4: Simplify right side
    7,221,017.70x = 26,301,923,011,426.09
  5. Step 5: Solve for x
    x = 26,301,923,011,426.09/7,221,017.70
  6. Step 6: Final answer
    x = 3,642,412.21

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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.