Home / 28,640,513-42,988,514.46-27,085,113.92

Finding the Fourth Proportional to 28,640,513, 42,988,514.46 and 27,085,113.92

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Solution

The fourth proportional to 28,640,513, 42,988,514.46 and 27,085,113.92 is: 40,653,909.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,640,513 : 42,988,514.46 = 27,085,113.92 : x
  2. Step 2: Convert to fraction form
    28,640,513/42,988,514.46 = 27,085,113.92/x
  3. Step 3: Cross multiply
    28,640,513x = 42,988,514.46 × 27,085,113.92
  4. Step 4: Simplify right side
    28,640,513x = 1,164,348,811,400,667.50
  5. Step 5: Solve for x
    x = 1,164,348,811,400,667.50/28,640,513
  6. Step 6: Final answer
    x = 40,653,909.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.