Home / 7,220,210.40-10,827,691.20-3,624,782.40

Finding the Fourth Proportional to 7,220,210.40, 10,827,691.20 and 3,624,782.40

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Solution

The fourth proportional to 7,220,210.40, 10,827,691.20 and 3,624,782.40 is: 5,435,856.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220,210.40 : 10,827,691.20 = 3,624,782.40 : x
  2. Step 2: Convert to fraction form
    7,220,210.40/10,827,691.20 = 3,624,782.40/x
  3. Step 3: Cross multiply
    7,220,210.40x = 10,827,691.20 × 3,624,782.40
  4. Step 4: Simplify right side
    7,220,210.40x = 39,248,024,494,394.88
  5. Step 5: Solve for x
    x = 39,248,024,494,394.88/7,220,210.40
  6. Step 6: Final answer
    x = 5,435,856.07

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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.