Home / 28,934,889.36-39,963,286.92-19,055,933.20

Finding the Fourth Proportional to 28,934,889.36, 39,963,286.92 and 19,055,933.20

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Solution

The fourth proportional to 28,934,889.36, 39,963,286.92 and 19,055,933.20 is: 26,319,012.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,934,889.36 : 39,963,286.92 = 19,055,933.20 : x
  2. Step 2: Convert to fraction form
    28,934,889.36/39,963,286.92 = 19,055,933.20/x
  3. Step 3: Cross multiply
    28,934,889.36x = 39,963,286.92 × 19,055,933.20
  4. Step 4: Simplify right side
    28,934,889.36x = 761,537,725,999,953.75
  5. Step 5: Solve for x
    x = 761,537,725,999,953.75/28,934,889.36
  6. Step 6: Final answer
    x = 26,319,012.89

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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.