Home / 21,860,442.90-32,802,012.75-8,916,090.18

Finding the Fourth Proportional to 21,860,442.90, 32,802,012.75 and 8,916,090.18

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Solution

The fourth proportional to 21,860,442.90, 32,802,012.75 and 8,916,090.18 is: 13,378,763.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,860,442.90 : 32,802,012.75 = 8,916,090.18 : x
  2. Step 2: Convert to fraction form
    21,860,442.90/32,802,012.75 = 8,916,090.18/x
  3. Step 3: Cross multiply
    21,860,442.90x = 32,802,012.75 × 8,916,090.18
  4. Step 4: Simplify right side
    21,860,442.90x = 292,465,703,764,509.81
  5. Step 5: Solve for x
    x = 292,465,703,764,509.81/21,860,442.90
  6. Step 6: Final answer
    x = 13,378,763.88

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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.