Home / 8,720,223.93-13,071,542.85-5,484,074.31

Finding the Fourth Proportional to 8,720,223.93, 13,071,542.85 and 5,484,074.31

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Solution

The fourth proportional to 8,720,223.93, 13,071,542.85 and 5,484,074.31 is: 8,220,581.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720,223.93 : 13,071,542.85 = 5,484,074.31 : x
  2. Step 2: Convert to fraction form
    8,720,223.93/13,071,542.85 = 5,484,074.31/x
  3. Step 3: Cross multiply
    8,720,223.93x = 13,071,542.85 × 5,484,074.31
  4. Step 4: Simplify right side
    8,720,223.93x = 71,685,312,335,749.17
  5. Step 5: Solve for x
    x = 71,685,312,335,749.17/8,720,223.93
  6. Step 6: Final answer
    x = 8,220,581.59

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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.