Home / 8,216,669.85-11,336,967.20-5,312,566.22

Finding the Fourth Proportional to 8,216,669.85, 11,336,967.20 and 5,312,566.22

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Solution

The fourth proportional to 8,216,669.85, 11,336,967.20 and 5,312,566.22 is: 7,330,024.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216,669.85 : 11,336,967.20 = 5,312,566.22 : x
  2. Step 2: Convert to fraction form
    8,216,669.85/11,336,967.20 = 5,312,566.22/x
  3. Step 3: Cross multiply
    8,216,669.85x = 11,336,967.20 × 5,312,566.22
  4. Step 4: Simplify right side
    8,216,669.85x = 60,228,388,900,720.32
  5. Step 5: Solve for x
    x = 60,228,388,900,720.32/8,216,669.85
  6. Step 6: Final answer
    x = 7,330,024.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.