Home / 27,648,382.05-38,169,111.33-20,197,679.46

Finding the Fourth Proportional to 27,648,382.05, 38,169,111.33 and 20,197,679.46

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Solution

The fourth proportional to 27,648,382.05, 38,169,111.33 and 20,197,679.46 is: 27,883,276.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,648,382.05 : 38,169,111.33 = 20,197,679.46 : x
  2. Step 2: Convert to fraction form
    27,648,382.05/38,169,111.33 = 20,197,679.46/x
  3. Step 3: Cross multiply
    27,648,382.05x = 38,169,111.33 × 20,197,679.46
  4. Step 4: Simplify right side
    27,648,382.05x = 770,927,475,916,394.25
  5. Step 5: Solve for x
    x = 770,927,475,916,394.25/27,648,382.05
  6. Step 6: Final answer
    x = 27,883,276.30

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1.5x scale

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.