Home / 7,221,011.20-10,828,892.40-2,428,856.80

Finding the Fourth Proportional to 7,221,011.20, 10,828,892.40 and 2,428,856.80

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Solution

The fourth proportional to 7,221,011.20, 10,828,892.40 and 2,428,856.80 is: 3,642,402.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221,011.20 : 10,828,892.40 = 2,428,856.80 : x
  2. Step 2: Convert to fraction form
    7,221,011.20/10,828,892.40 = 2,428,856.80/x
  3. Step 3: Cross multiply
    7,221,011.20x = 10,828,892.40 × 2,428,856.80
  4. Step 4: Simplify right side
    7,221,011.20x = 26,301,828,942,208.32
  5. Step 5: Solve for x
    x = 26,301,828,942,208.32/7,221,011.20
  6. Step 6: Final answer
    x = 3,642,402.46

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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.