Home / 8,998,569.12-13,499,261.28-2,931,892.56

Finding the Fourth Proportional to 8,998,569.12, 13,499,261.28 and 2,931,892.56

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Solution

The fourth proportional to 8,998,569.12, 13,499,261.28 and 2,931,892.56 is: 4,398,297.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998,569.12 : 13,499,261.28 = 2,931,892.56 : x
  2. Step 2: Convert to fraction form
    8,998,569.12/13,499,261.28 = 2,931,892.56/x
  3. Step 3: Cross multiply
    8,998,569.12x = 13,499,261.28 × 2,931,892.56
  4. Step 4: Simplify right side
    8,998,569.12x = 39,578,383,712,328.08
  5. Step 5: Solve for x
    x = 39,578,383,712,328.08/8,998,569.12
  6. Step 6: Final answer
    x = 4,398,297.46

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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.