Home / 28,841,044.28-39,758,238.06-21,953,530.04

Finding the Fourth Proportional to 28,841,044.28, 39,758,238.06 and 21,953,530.04

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Solution

The fourth proportional to 28,841,044.28, 39,758,238.06 and 21,953,530.04 is: 30,263,594.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,841,044.28 : 39,758,238.06 = 21,953,530.04 : x
  2. Step 2: Convert to fraction form
    28,841,044.28/39,758,238.06 = 21,953,530.04/x
  3. Step 3: Cross multiply
    28,841,044.28x = 39,758,238.06 × 21,953,530.04
  4. Step 4: Simplify right side
    28,841,044.28x = 872,833,673,587,681.38
  5. Step 5: Solve for x
    x = 872,833,673,587,681.38/28,841,044.28
  6. Step 6: Final answer
    x = 30,263,594.66

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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.