Home / 21,860,443.40-32,802,013.50-8,916,090.68

Finding the Fourth Proportional to 21,860,443.40, 32,802,013.50 and 8,916,090.68

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Solution

The fourth proportional to 21,860,443.40, 32,802,013.50 and 8,916,090.68 is: 13,378,764.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,860,443.40 : 32,802,013.50 = 8,916,090.68 : x
  2. Step 2: Convert to fraction form
    21,860,443.40/32,802,013.50 = 8,916,090.68/x
  3. Step 3: Cross multiply
    21,860,443.40x = 32,802,013.50 × 8,916,090.68
  4. Step 4: Simplify right side
    21,860,443.40x = 292,465,726,688,574.12
  5. Step 5: Solve for x
    x = 292,465,726,688,574.12/21,860,443.40
  6. Step 6: Final answer
    x = 13,378,764.62

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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.