Home / 28,186,513.88-38,896,727.58-16,584,828.80

Finding the Fourth Proportional to 28,186,513.88, 38,896,727.58 and 16,584,828.80

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Solution

The fourth proportional to 28,186,513.88, 38,896,727.58 and 16,584,828.80 is: 22,886,674.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,186,513.88 : 38,896,727.58 = 16,584,828.80 : x
  2. Step 2: Convert to fraction form
    28,186,513.88/38,896,727.58 = 16,584,828.80/x
  3. Step 3: Cross multiply
    28,186,513.88x = 38,896,727.58 × 16,584,828.80
  4. Step 4: Simplify right side
    28,186,513.88x = 645,095,567,600,054.62
  5. Step 5: Solve for x
    x = 645,095,567,600,054.62/28,186,513.88
  6. Step 6: Final answer
    x = 22,886,674.47

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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.