Home / 28,645,429.08-39,531,196.50-15,593,063.16

Finding the Fourth Proportional to 28,645,429.08, 39,531,196.50 and 15,593,063.16

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Solution

The fourth proportional to 28,645,429.08, 39,531,196.50 and 15,593,063.16 is: 21,518,701.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,645,429.08 : 39,531,196.50 = 15,593,063.16 : x
  2. Step 2: Convert to fraction form
    28,645,429.08/39,531,196.50 = 15,593,063.16/x
  3. Step 3: Cross multiply
    28,645,429.08x = 39,531,196.50 × 15,593,063.16
  4. Step 4: Simplify right side
    28,645,429.08x = 616,412,443,814,871
  5. Step 5: Solve for x
    x = 616,412,443,814,871/28,645,429.08
  6. Step 6: Final answer
    x = 21,518,701.71

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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.