Home / 8,557,871.39-11,808,117.20-5,071,673.51

Finding the Fourth Proportional to 8,557,871.39, 11,808,117.20 and 5,071,673.51

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Solution

The fourth proportional to 8,557,871.39, 11,808,117.20 and 5,071,673.51 is: 6,997,875.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557,871.39 : 11,808,117.20 = 5,071,673.51 : x
  2. Step 2: Convert to fraction form
    8,557,871.39/11,808,117.20 = 5,071,673.51/x
  3. Step 3: Cross multiply
    8,557,871.39x = 11,808,117.20 × 5,071,673.51
  4. Step 4: Simplify right side
    8,557,871.39x = 59,886,915,180,857
  5. Step 5: Solve for x
    x = 59,886,915,180,857/8,557,871.39
  6. Step 6: Final answer
    x = 6,997,875.11

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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.