Home / 20,731,075.47-31,096,613.21-10,627,252.11

Finding the Fourth Proportional to 20,731,075.47, 31,096,613.21 and 10,627,252.11

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Solution

The fourth proportional to 20,731,075.47, 31,096,613.21 and 10,627,252.11 is: 15,940,878.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,731,075.47 : 31,096,613.21 = 10,627,252.11 : x
  2. Step 2: Convert to fraction form
    20,731,075.47/31,096,613.21 = 10,627,252.11/x
  3. Step 3: Cross multiply
    20,731,075.47x = 31,096,613.21 × 10,627,252.11
  4. Step 4: Simplify right side
    20,731,075.47x = 330,471,548,296,690.06
  5. Step 5: Solve for x
    x = 330,471,548,296,690.06/20,731,075.47
  6. Step 6: Final answer
    x = 15,940,878.17

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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.