Home / 36,111,720.96-49,834,178.10-20,642,143.32

Finding the Fourth Proportional to 36,111,720.96, 49,834,178.10 and 20,642,143.32

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Solution

The fourth proportional to 36,111,720.96, 49,834,178.10 and 20,642,143.32 is: 28,486,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,111,720.96 : 49,834,178.10 = 20,642,143.32 : x
  2. Step 2: Convert to fraction form
    36,111,720.96/49,834,178.10 = 20,642,143.32/x
  3. Step 3: Cross multiply
    36,111,720.96x = 49,834,178.10 × 20,642,143.32
  4. Step 4: Simplify right side
    36,111,720.96x = 1,028,684,246,574,605.38
  5. Step 5: Solve for x
    x = 1,028,684,246,574,605.38/36,111,720.96
  6. Step 6: Final answer
    x = 28,486,159.60

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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.