Home / 15,043,982-20,760,695.16-8,605,454

Finding the Fourth Proportional to 15,043,982, 20,760,695.16 and 8,605,454

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Solution

The fourth proportional to 15,043,982, 20,760,695.16 and 8,605,454 is: 11,875,526.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,043,982 : 20,760,695.16 = 8,605,454 : x
  2. Step 2: Convert to fraction form
    15,043,982/20,760,695.16 = 8,605,454/x
  3. Step 3: Cross multiply
    15,043,982x = 20,760,695.16 × 8,605,454
  4. Step 4: Simplify right side
    15,043,982x = 178,655,207,207,402.66
  5. Step 5: Solve for x
    x = 178,655,207,207,402.66/15,043,982
  6. Step 6: Final answer
    x = 11,875,526.52

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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.