Home / 12,853,947.61-17,738,774.16-7,052,727.81

Finding the Fourth Proportional to 12,853,947.61, 17,738,774.16 and 7,052,727.81

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Solution

The fourth proportional to 12,853,947.61, 17,738,774.16 and 7,052,727.81 is: 9,732,943.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,853,947.61 : 17,738,774.16 = 7,052,727.81 : x
  2. Step 2: Convert to fraction form
    12,853,947.61/17,738,774.16 = 7,052,727.81/x
  3. Step 3: Cross multiply
    12,853,947.61x = 17,738,774.16 × 7,052,727.81
  4. Step 4: Simplify right side
    12,853,947.61x = 125,106,745,913,285.64
  5. Step 5: Solve for x
    x = 125,106,745,913,285.64/12,853,947.61
  6. Step 6: Final answer
    x = 9,732,943.50

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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.