Home / 28,880,211.17-39,853,789.66-15,827,232.89

Finding the Fourth Proportional to 28,880,211.17, 39,853,789.66 and 15,827,232.89

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Solution

The fourth proportional to 28,880,211.17, 39,853,789.66 and 15,827,232.89 is: 21,841,087.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880,211.17 : 39,853,789.66 = 15,827,232.89 : x
  2. Step 2: Convert to fraction form
    28,880,211.17/39,853,789.66 = 15,827,232.89/x
  3. Step 3: Cross multiply
    28,880,211.17x = 39,853,789.66 × 15,827,232.89
  4. Step 4: Simplify right side
    28,880,211.17x = 630,775,210,497,893.88
  5. Step 5: Solve for x
    x = 630,775,210,497,893.88/28,880,211.17
  6. Step 6: Final answer
    x = 21,841,087.20

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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.