Home / 8,720,215.34-13,071,530.02-5,484,065.70

Finding the Fourth Proportional to 8,720,215.34, 13,071,530.02 and 5,484,065.70

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Solution

The fourth proportional to 8,720,215.34, 13,071,530.02 and 5,484,065.70 is: 8,220,568.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720,215.34 : 13,071,530.02 = 5,484,065.70 : x
  2. Step 2: Convert to fraction form
    8,720,215.34/13,071,530.02 = 5,484,065.70/x
  3. Step 3: Cross multiply
    8,720,215.34x = 13,071,530.02 × 5,484,065.70
  4. Step 4: Simplify right side
    8,720,215.34x = 71,685,129,429,202.31
  5. Step 5: Solve for x
    x = 71,685,129,429,202.31/8,720,215.34
  6. Step 6: Final answer
    x = 8,220,568.72

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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.