Home / 13,052,157.32-18,013,637.86-7,895,555.72

Finding the Fourth Proportional to 13,052,157.32, 18,013,637.86 and 7,895,555.72

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Solution

The fourth proportional to 13,052,157.32, 18,013,637.86 and 7,895,555.72 is: 10,896,871.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052,157.32 : 18,013,637.86 = 7,895,555.72 : x
  2. Step 2: Convert to fraction form
    13,052,157.32/18,013,637.86 = 7,895,555.72/x
  3. Step 3: Cross multiply
    13,052,157.32x = 18,013,637.86 × 7,895,555.72
  4. Step 4: Simplify right side
    13,052,157.32x = 142,227,681,443,531.56
  5. Step 5: Solve for x
    x = 142,227,681,443,531.56/13,052,157.32
  6. Step 6: Final answer
    x = 10,896,871.53

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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.