Home / 36,212,947.20-54,319,420.80-21,828,610.80

Finding the Fourth Proportional to 36,212,947.20, 54,319,420.80 and 21,828,610.80

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Solution

The fourth proportional to 36,212,947.20, 54,319,420.80 and 21,828,610.80 is: 32,742,916.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,212,947.20 : 54,319,420.80 = 21,828,610.80 : x
  2. Step 2: Convert to fraction form
    36,212,947.20/54,319,420.80 = 21,828,610.80/x
  3. Step 3: Cross multiply
    36,212,947.20x = 54,319,420.80 × 21,828,610.80
  4. Step 4: Simplify right side
    36,212,947.20x = 1,185,717,495,524,624.50
  5. Step 5: Solve for x
    x = 1,185,717,495,524,624.50/36,212,947.20
  6. Step 6: Final answer
    x = 32,742,916.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.