Home / 9,272,817.81-12,796,297.95-5,142,182.38

Finding the Fourth Proportional to 9,272,817.81, 12,796,297.95 and 5,142,182.38

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Solution

The fourth proportional to 9,272,817.81, 12,796,297.95 and 5,142,182.38 is: 7,096,105.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,272,817.81 : 12,796,297.95 = 5,142,182.38 : x
  2. Step 2: Convert to fraction form
    9,272,817.81/12,796,297.95 = 5,142,182.38/x
  3. Step 3: Cross multiply
    9,272,817.81x = 12,796,297.95 × 5,142,182.38
  4. Step 4: Simplify right side
    9,272,817.81x = 65,800,897,885,296.87
  5. Step 5: Solve for x
    x = 65,800,897,885,296.87/9,272,817.81
  6. Step 6: Final answer
    x = 7,096,105.98

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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.