Home / 38,589,899.85-53,254,154.75-21,187,366.83

Finding the Fourth Proportional to 38,589,899.85, 53,254,154.75 and 21,187,366.83

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Solution

The fourth proportional to 38,589,899.85, 53,254,154.75 and 21,187,366.83 is: 29,238,617.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,589,899.85 : 53,254,154.75 = 21,187,366.83 : x
  2. Step 2: Convert to fraction form
    38,589,899.85/53,254,154.75 = 21,187,366.83/x
  3. Step 3: Cross multiply
    38,589,899.85x = 53,254,154.75 × 21,187,366.83
  4. Step 4: Simplify right side
    38,589,899.85x = 1,128,315,311,909,836.75
  5. Step 5: Solve for x
    x = 1,128,315,311,909,836.75/38,589,899.85
  6. Step 6: Final answer
    x = 29,238,617.26

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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.