Home / 19,358,071.43-26,719,779.82-12,653,378.04

Finding the Fourth Proportional to 19,358,071.43, 26,719,779.82 and 12,653,378.04

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Solution

The fourth proportional to 19,358,071.43, 26,719,779.82 and 12,653,378.04 is: 17,465,349.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358,071.43 : 26,719,779.82 = 12,653,378.04 : x
  2. Step 2: Convert to fraction form
    19,358,071.43/26,719,779.82 = 12,653,378.04/x
  3. Step 3: Cross multiply
    19,358,071.43x = 26,719,779.82 × 12,653,378.04
  4. Step 4: Simplify right side
    19,358,071.43x = 338,095,475,208,023.12
  5. Step 5: Solve for x
    x = 338,095,475,208,023.12/19,358,071.43
  6. Step 6: Final answer
    x = 17,465,349.09

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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.