Home / 20,232,480.48-27,912,348-13,264,830.24

Finding the Fourth Proportional to 20,232,480.48, 27,912,348 and 13,264,830.24

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Solution

The fourth proportional to 20,232,480.48, 27,912,348 and 13,264,830.24 is: 18,299,909.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232,480.48 : 27,912,348 = 13,264,830.24 : x
  2. Step 2: Convert to fraction form
    20,232,480.48/27,912,348 = 13,264,830.24/x
  3. Step 3: Cross multiply
    20,232,480.48x = 27,912,348 × 13,264,830.24
  4. Step 4: Simplify right side
    20,232,480.48x = 370,252,557,819,803.50
  5. Step 5: Solve for x
    x = 370,252,557,819,803.50/20,232,480.48
  6. Step 6: Final answer
    x = 18,299,909.31

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Double scale
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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.