Home / 28,130,677.40-42,197,431.33-8,962,929.13

Finding the Fourth Proportional to 28,130,677.40, 42,197,431.33 and 8,962,929.13

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Solution

The fourth proportional to 28,130,677.40, 42,197,431.33 and 8,962,929.13 is: 13,444,844.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,130,677.40 : 42,197,431.33 = 8,962,929.13 : x
  2. Step 2: Convert to fraction form
    28,130,677.40/42,197,431.33 = 8,962,929.13/x
  3. Step 3: Cross multiply
    28,130,677.40x = 42,197,431.33 × 8,962,929.13
  4. Step 4: Simplify right side
    28,130,677.40x = 378,212,586,629,078.38
  5. Step 5: Solve for x
    x = 378,212,586,629,078.38/28,130,677.40
  6. Step 6: Final answer
    x = 13,444,844.62

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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.