Home / 32,853,978.48-45,344,555.55-21,107,930.34

Finding the Fourth Proportional to 32,853,978.48, 45,344,555.55 and 21,107,930.34

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Solution

The fourth proportional to 32,853,978.48, 45,344,555.55 and 21,107,930.34 is: 29,132,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,853,978.48 : 45,344,555.55 = 21,107,930.34 : x
  2. Step 2: Convert to fraction form
    32,853,978.48/45,344,555.55 = 21,107,930.34/x
  3. Step 3: Cross multiply
    32,853,978.48x = 45,344,555.55 × 21,107,930.34
  4. Step 4: Simplify right side
    32,853,978.48x = 957,129,719,742,120.75
  5. Step 5: Solve for x
    x = 957,129,719,742,120.75/32,853,978.48
  6. Step 6: Final answer
    x = 29,132,840.65

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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.