Home / 13,980,218.31-19,282,763.22-9,331,659.60

Finding the Fourth Proportional to 13,980,218.31, 19,282,763.22 and 9,331,659.60

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Solution

The fourth proportional to 13,980,218.31, 19,282,763.22 and 9,331,659.60 is: 12,871,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980,218.31 : 19,282,763.22 = 9,331,659.60 : x
  2. Step 2: Convert to fraction form
    13,980,218.31/19,282,763.22 = 9,331,659.60/x
  3. Step 3: Cross multiply
    13,980,218.31x = 19,282,763.22 × 9,331,659.60
  4. Step 4: Simplify right side
    13,980,218.31x = 179,940,182,516,439.91
  5. Step 5: Solve for x
    x = 179,940,182,516,439.91/13,980,218.31
  6. Step 6: Final answer
    x = 12,871,056.70

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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.