Home / 28,186,514.88-38,896,728.96-16,584,829.80

Finding the Fourth Proportional to 28,186,514.88, 38,896,728.96 and 16,584,829.80

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Solution

The fourth proportional to 28,186,514.88, 38,896,728.96 and 16,584,829.80 is: 22,886,675.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,186,514.88 : 38,896,728.96 = 16,584,829.80 : x
  2. Step 2: Convert to fraction form
    28,186,514.88/38,896,728.96 = 16,584,829.80/x
  3. Step 3: Cross multiply
    28,186,514.88x = 38,896,728.96 × 16,584,829.80
  4. Step 4: Simplify right side
    28,186,514.88x = 645,095,629,578,331
  5. Step 5: Solve for x
    x = 645,095,629,578,331/28,186,514.88
  6. Step 6: Final answer
    x = 22,886,675.86

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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.