Home / 13,293,041.20-18,350,525.63-7,785,655.79

Finding the Fourth Proportional to 13,293,041.20, 18,350,525.63 and 7,785,655.79

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Solution

The fourth proportional to 13,293,041.20, 18,350,525.63 and 7,785,655.79 is: 10,747,794.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293,041.20 : 18,350,525.63 = 7,785,655.79 : x
  2. Step 2: Convert to fraction form
    13,293,041.20/18,350,525.63 = 7,785,655.79/x
  3. Step 3: Cross multiply
    13,293,041.20x = 18,350,525.63 × 7,785,655.79
  4. Step 4: Simplify right side
    13,293,041.20x = 142,870,876,151,686.12
  5. Step 5: Solve for x
    x = 142,870,876,151,686.12/13,293,041.20
  6. Step 6: Final answer
    x = 10,747,794.58

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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.