Home / 38,220,112.46-52,740,515.29-21,473,540.87

Finding the Fourth Proportional to 38,220,112.46, 52,740,515.29 and 21,473,540.87

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Solution

The fourth proportional to 38,220,112.46, 52,740,515.29 and 21,473,540.87 is: 29,631,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,220,112.46 : 52,740,515.29 = 21,473,540.87 : x
  2. Step 2: Convert to fraction form
    38,220,112.46/52,740,515.29 = 21,473,540.87/x
  3. Step 3: Cross multiply
    38,220,112.46x = 52,740,515.29 × 21,473,540.87
  4. Step 4: Simplify right side
    38,220,112.46x = 1,132,525,610,584,675
  5. Step 5: Solve for x
    x = 1,132,525,610,584,675/38,220,112.46
  6. Step 6: Final answer
    x = 29,631,666.10

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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.