Home / 9,868,023.52-13,620,148.40-6,424,268

Finding the Fourth Proportional to 9,868,023.52, 13,620,148.40 and 6,424,268

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Solution

The fourth proportional to 9,868,023.52, 13,620,148.40 and 6,424,268 is: 8,866,971.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,868,023.52 : 13,620,148.40 = 6,424,268 : x
  2. Step 2: Convert to fraction form
    9,868,023.52/13,620,148.40 = 6,424,268/x
  3. Step 3: Cross multiply
    9,868,023.52x = 13,620,148.40 × 6,424,268
  4. Step 4: Simplify right side
    9,868,023.52x = 87,499,483,521,371.20
  5. Step 5: Solve for x
    x = 87,499,483,521,371.20/9,868,023.52
  6. Step 6: Final answer
    x = 8,866,971.52

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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.