Home / 38,998,851.48-53,818,381.86-21,595,196.40

Finding the Fourth Proportional to 38,998,851.48, 53,818,381.86 and 21,595,196.40

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Solution

The fourth proportional to 38,998,851.48, 53,818,381.86 and 21,595,196.40 is: 29,801,352.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,998,851.48 : 53,818,381.86 = 21,595,196.40 : x
  2. Step 2: Convert to fraction form
    38,998,851.48/53,818,381.86 = 21,595,196.40/x
  3. Step 3: Cross multiply
    38,998,851.48x = 53,818,381.86 × 21,595,196.40
  4. Step 4: Simplify right side
    38,998,851.48x = 1,162,218,526,196,897.25
  5. Step 5: Solve for x
    x = 1,162,218,526,196,897.25/38,998,851.48
  6. Step 6: Final answer
    x = 29,801,352.66

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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.