Home / 19,118,695.26-28,650,224.22-11,816,564.70

Finding the Fourth Proportional to 19,118,695.26, 28,650,224.22 and 11,816,564.70

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Solution

The fourth proportional to 19,118,695.26, 28,650,224.22 and 11,816,564.70 is: 17,707,653.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118,695.26 : 28,650,224.22 = 11,816,564.70 : x
  2. Step 2: Convert to fraction form
    19,118,695.26/28,650,224.22 = 11,816,564.70/x
  3. Step 3: Cross multiply
    19,118,695.26x = 28,650,224.22 × 11,816,564.70
  4. Step 4: Simplify right side
    19,118,695.26x = 338,547,228,165,137
  5. Step 5: Solve for x
    x = 338,547,228,165,137/19,118,695.26
  6. Step 6: Final answer
    x = 17,707,653.35

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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.