Home / 38,440,407.66-53,047,727.98-21,698,671.90

Finding the Fourth Proportional to 38,440,407.66, 53,047,727.98 and 21,698,671.90

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Solution

The fourth proportional to 38,440,407.66, 53,047,727.98 and 21,698,671.90 is: 29,944,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,440,407.66 : 53,047,727.98 = 21,698,671.90 : x
  2. Step 2: Convert to fraction form
    38,440,407.66/53,047,727.98 = 21,698,671.90/x
  3. Step 3: Cross multiply
    38,440,407.66x = 53,047,727.98 × 21,698,671.90
  4. Step 4: Simplify right side
    38,440,407.66x = 1,151,065,244,478,469.50
  5. Step 5: Solve for x
    x = 1,151,065,244,478,469.50/38,440,407.66
  6. Step 6: Final answer
    x = 29,944,147.70

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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.