Home / 38,766,887.56-53,498,656.26-21,363,856.36

Finding the Fourth Proportional to 38,766,887.56, 53,498,656.26 and 21,363,856.36

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Solution

The fourth proportional to 38,766,887.56, 53,498,656.26 and 21,363,856.36 is: 29,482,315.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,766,887.56 : 53,498,656.26 = 21,363,856.36 : x
  2. Step 2: Convert to fraction form
    38,766,887.56/53,498,656.26 = 21,363,856.36/x
  3. Step 3: Cross multiply
    38,766,887.56x = 53,498,656.26 × 21,363,856.36
  4. Step 4: Simplify right side
    38,766,887.56x = 1,142,937,607,791,654.75
  5. Step 5: Solve for x
    x = 1,142,937,607,791,654.75/38,766,887.56
  6. Step 6: Final answer
    x = 29,482,315.44

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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.