Home / 9,515,855.16-13,131,528.30-5,164,848.73

Finding the Fourth Proportional to 9,515,855.16, 13,131,528.30 and 5,164,848.73

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Solution

The fourth proportional to 9,515,855.16, 13,131,528.30 and 5,164,848.73 is: 7,127,300.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,855.16 : 13,131,528.30 = 5,164,848.73 : x
  2. Step 2: Convert to fraction form
    9,515,855.16/13,131,528.30 = 5,164,848.73/x
  3. Step 3: Cross multiply
    9,515,855.16x = 13,131,528.30 × 5,164,848.73
  4. Step 4: Simplify right side
    9,515,855.16x = 67,822,357,263,214.07
  5. Step 5: Solve for x
    x = 67,822,357,263,214.07/9,515,855.16
  6. Step 6: Final answer
    x = 7,127,300.29

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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.