Home / 28,558,470.62-39,443,138.10-19,249,986.26

Finding the Fourth Proportional to 28,558,470.62, 39,443,138.10 and 19,249,986.26

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Solution

The fourth proportional to 28,558,470.62, 39,443,138.10 and 19,249,986.26 is: 26,586,853.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,558,470.62 : 39,443,138.10 = 19,249,986.26 : x
  2. Step 2: Convert to fraction form
    28,558,470.62/39,443,138.10 = 19,249,986.26/x
  3. Step 3: Cross multiply
    28,558,470.62x = 39,443,138.10 × 19,249,986.26
  4. Step 4: Simplify right side
    28,558,470.62x = 759,279,866,476,282.62
  5. Step 5: Solve for x
    x = 759,279,866,476,282.62/28,558,470.62
  6. Step 6: Final answer
    x = 26,586,853.22

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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.