Home / 19,181,561.40-28,771,678.71-4,804,753.14

Finding the Fourth Proportional to 19,181,561.40, 28,771,678.71 and 4,804,753.14

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Solution

The fourth proportional to 19,181,561.40, 28,771,678.71 and 4,804,753.14 is: 7,206,963.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,181,561.40 : 28,771,678.71 = 4,804,753.14 : x
  2. Step 2: Convert to fraction form
    19,181,561.40/28,771,678.71 = 4,804,753.14/x
  3. Step 3: Cross multiply
    19,181,561.40x = 28,771,678.71 × 4,804,753.14
  4. Step 4: Simplify right side
    19,181,561.40x = 138,240,813,624,943.64
  5. Step 5: Solve for x
    x = 138,240,813,624,943.64/19,181,561.40
  6. Step 6: Final answer
    x = 7,206,963.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.