Home / 38,015,281.47-52,461,768.92-20,612,213.31

Finding the Fourth Proportional to 38,015,281.47, 52,461,768.92 and 20,612,213.31

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Solution

The fourth proportional to 38,015,281.47, 52,461,768.92 and 20,612,213.31 is: 28,445,223.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,015,281.47 : 52,461,768.92 = 20,612,213.31 : x
  2. Step 2: Convert to fraction form
    38,015,281.47/52,461,768.92 = 20,612,213.31/x
  3. Step 3: Cross multiply
    38,015,281.47x = 52,461,768.92 × 20,612,213.31
  4. Step 4: Simplify right side
    38,015,281.47x = 1,081,353,171,495,907.12
  5. Step 5: Solve for x
    x = 1,081,353,171,495,907.12/38,015,281.47
  6. Step 6: Final answer
    x = 28,445,223.33

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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.