Home / 11,455,881.30-17,183,821.95-9,896,987.70

Finding the Fourth Proportional to 11,455,881.30, 17,183,821.95 and 9,896,987.70

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Solution

The fourth proportional to 11,455,881.30, 17,183,821.95 and 9,896,987.70 is: 14,845,481.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455,881.30 : 17,183,821.95 = 9,896,987.70 : x
  2. Step 2: Convert to fraction form
    11,455,881.30/17,183,821.95 = 9,896,987.70/x
  3. Step 3: Cross multiply
    11,455,881.30x = 17,183,821.95 × 9,896,987.70
  4. Step 4: Simplify right side
    11,455,881.30x = 170,068,074,478,140
  5. Step 5: Solve for x
    x = 170,068,074,478,140/11,455,881.30
  6. Step 6: Final answer
    x = 14,845,481.55

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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.