Home / 8,998,569.12-13,499,261.36-2,931,892.64

Finding the Fourth Proportional to 8,998,569.12, 13,499,261.36 and 2,931,892.64

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Solution

The fourth proportional to 8,998,569.12, 13,499,261.36 and 2,931,892.64 is: 4,398,297.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998,569.12 : 13,499,261.36 = 2,931,892.64 : x
  2. Step 2: Convert to fraction form
    8,998,569.12/13,499,261.36 = 2,931,892.64/x
  3. Step 3: Cross multiply
    8,998,569.12x = 13,499,261.36 × 2,931,892.64
  4. Step 4: Simplify right side
    8,998,569.12x = 39,578,385,026,820.39
  5. Step 5: Solve for x
    x = 39,578,385,026,820.39/8,998,569.12
  6. Step 6: Final answer
    x = 4,398,297.61

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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.