Home / 13,645,622.40-20,468,393.28-5,556,693.12

Finding the Fourth Proportional to 13,645,622.40, 20,468,393.28 and 5,556,693.12

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Solution

The fourth proportional to 13,645,622.40, 20,468,393.28 and 5,556,693.12 is: 8,335,023.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,645,622.40 : 20,468,393.28 = 5,556,693.12 : x
  2. Step 2: Convert to fraction form
    13,645,622.40/20,468,393.28 = 5,556,693.12/x
  3. Step 3: Cross multiply
    13,645,622.40x = 20,468,393.28 × 5,556,693.12
  4. Step 4: Simplify right side
    13,645,622.40x = 113,736,580,116,430.25
  5. Step 5: Solve for x
    x = 113,736,580,116,430.25/13,645,622.40
  6. Step 6: Final answer
    x = 8,335,023.26

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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.