Home / 7,888,059.78-11,813,957.16-5,009,211.78

Finding the Fourth Proportional to 7,888,059.78, 11,813,957.16 and 5,009,211.78

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Solution

The fourth proportional to 7,888,059.78, 11,813,957.16 and 5,009,211.78 is: 7,502,302.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888,059.78 : 11,813,957.16 = 5,009,211.78 : x
  2. Step 2: Convert to fraction form
    7,888,059.78/11,813,957.16 = 5,009,211.78/x
  3. Step 3: Cross multiply
    7,888,059.78x = 11,813,957.16 × 5,009,211.78
  4. Step 4: Simplify right side
    7,888,059.78x = 59,178,613,374,287.35
  5. Step 5: Solve for x
    x = 59,178,613,374,287.35/7,888,059.78
  6. Step 6: Final answer
    x = 7,502,302.85

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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.