Home / 38,062,470.12-52,526,266.38-20,658,821.64

Finding the Fourth Proportional to 38,062,470.12, 52,526,266.38 and 20,658,821.64

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Solution

The fourth proportional to 38,062,470.12, 52,526,266.38 and 20,658,821.64 is: 28,509,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,062,470.12 : 52,526,266.38 = 20,658,821.64 : x
  2. Step 2: Convert to fraction form
    38,062,470.12/52,526,266.38 = 20,658,821.64/x
  3. Step 3: Cross multiply
    38,062,470.12x = 52,526,266.38 × 20,658,821.64
  4. Step 4: Simplify right side
    38,062,470.12x = 1,085,130,768,559,548.50
  5. Step 5: Solve for x
    x = 1,085,130,768,559,548.50/38,062,470.12
  6. Step 6: Final answer
    x = 28,509,205.13

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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.