Home / 19,120,858.72-26,386,445.04-10,419,092.32

Finding the Fourth Proportional to 19,120,858.72, 26,386,445.04 and 10,419,092.32

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Solution

The fourth proportional to 19,120,858.72, 26,386,445.04 and 10,419,092.32 is: 14,378,162.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120,858.72 : 26,386,445.04 = 10,419,092.32 : x
  2. Step 2: Convert to fraction form
    19,120,858.72/26,386,445.04 = 10,419,092.32/x
  3. Step 3: Cross multiply
    19,120,858.72x = 26,386,445.04 × 10,419,092.32
  4. Step 4: Simplify right side
    19,120,858.72x = 274,922,806,868,366.09
  5. Step 5: Solve for x
    x = 274,922,806,868,366.09/19,120,858.72
  6. Step 6: Final answer
    x = 14,378,162.14

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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.