Home / 19,885,585.05-27,445,874.09-12,446,696.52

Finding the Fourth Proportional to 19,885,585.05, 27,445,874.09 and 12,446,696.52

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Solution

The fourth proportional to 19,885,585.05, 27,445,874.09 and 12,446,696.52 is: 17,178,798.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885,585.05 : 27,445,874.09 = 12,446,696.52 : x
  2. Step 2: Convert to fraction form
    19,885,585.05/27,445,874.09 = 12,446,696.52/x
  3. Step 3: Cross multiply
    19,885,585.05x = 27,445,874.09 × 12,446,696.52
  4. Step 4: Simplify right side
    19,885,585.05x = 341,610,465,462,127.69
  5. Step 5: Solve for x
    x = 341,610,465,462,127.69/19,885,585.05
  6. Step 6: Final answer
    x = 17,178,798.84

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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.