Home / 28,880,209.17-39,853,786.91-15,827,230.89

Finding the Fourth Proportional to 28,880,209.17, 39,853,786.91 and 15,827,230.89

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Solution

The fourth proportional to 28,880,209.17, 39,853,786.91 and 15,827,230.89 is: 21,841,084.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880,209.17 : 39,853,786.91 = 15,827,230.89 : x
  2. Step 2: Convert to fraction form
    28,880,209.17/39,853,786.91 = 15,827,230.89/x
  3. Step 3: Cross multiply
    28,880,209.17x = 39,853,786.91 × 15,827,230.89
  4. Step 4: Simplify right side
    28,880,209.17x = 630,775,087,186,293.50
  5. Step 5: Solve for x
    x = 630,775,087,186,293.50/28,880,209.17
  6. Step 6: Final answer
    x = 21,841,084.44

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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.