Home / 39,210,811.02-54,110,620.57-21,569,334.66

Finding the Fourth Proportional to 39,210,811.02, 54,110,620.57 and 21,569,334.66

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Solution

The fourth proportional to 39,210,811.02, 54,110,620.57 and 21,569,334.66 is: 29,765,517.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,210,811.02 : 54,110,620.57 = 21,569,334.66 : x
  2. Step 2: Convert to fraction form
    39,210,811.02/54,110,620.57 = 21,569,334.66/x
  3. Step 3: Cross multiply
    39,210,811.02x = 54,110,620.57 × 21,569,334.66
  4. Step 4: Simplify right side
    39,210,811.02x = 1,167,130,083,869,886.50
  5. Step 5: Solve for x
    x = 1,167,130,083,869,886.50/39,210,811.02
  6. Step 6: Final answer
    x = 29,765,517.56

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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.