Home / 19,216,718.10-28,790,085.15-9,097,031.70

Finding the Fourth Proportional to 19,216,718.10, 28,790,085.15 and 9,097,031.70

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Solution

The fourth proportional to 19,216,718.10, 28,790,085.15 and 9,097,031.70 is: 13,628,982.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216,718.10 : 28,790,085.15 = 9,097,031.70 : x
  2. Step 2: Convert to fraction form
    19,216,718.10/28,790,085.15 = 9,097,031.70/x
  3. Step 3: Cross multiply
    19,216,718.10x = 28,790,085.15 × 9,097,031.70
  4. Step 4: Simplify right side
    19,216,718.10x = 261,904,317,255,249.22
  5. Step 5: Solve for x
    x = 261,904,317,255,249.22/19,216,718.10
  6. Step 6: Final answer
    x = 13,628,982.63

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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.