Home / 38,143,564.46-52,637,753.04-20,739,913.27

Finding the Fourth Proportional to 38,143,564.46, 52,637,753.04 and 20,739,913.27

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Solution

The fourth proportional to 38,143,564.46, 52,637,753.04 and 20,739,913.27 is: 28,620,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,143,564.46 : 52,637,753.04 = 20,739,913.27 : x
  2. Step 2: Convert to fraction form
    38,143,564.46/52,637,753.04 = 20,739,913.27/x
  3. Step 3: Cross multiply
    38,143,564.46x = 52,637,753.04 × 20,739,913.27
  4. Step 4: Simplify right side
    38,143,564.46x = 1,091,702,432,777,278.75
  5. Step 5: Solve for x
    x = 1,091,702,432,777,278.75/38,143,564.46
  6. Step 6: Final answer
    x = 28,620,881.35

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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.