Home / 9,327,060.74-12,871,369.93-5,407,578.54

Finding the Fourth Proportional to 9,327,060.74, 12,871,369.93 and 5,407,578.54

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Solution

The fourth proportional to 9,327,060.74, 12,871,369.93 and 5,407,578.54 is: 7,462,473.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327,060.74 : 12,871,369.93 = 5,407,578.54 : x
  2. Step 2: Convert to fraction form
    9,327,060.74/12,871,369.93 = 5,407,578.54/x
  3. Step 3: Cross multiply
    9,327,060.74x = 12,871,369.93 × 5,407,578.54
  4. Step 4: Simplify right side
    9,327,060.74x = 69,602,943,813,869.30
  5. Step 5: Solve for x
    x = 69,602,943,813,869.30/9,327,060.74
  6. Step 6: Final answer
    x = 7,462,473.52

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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.