Home / 13,145,641.07-18,140,649.84-7,344,466.22

Finding the Fourth Proportional to 13,145,641.07, 18,140,649.84 and 7,344,466.22

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Solution

The fourth proportional to 13,145,641.07, 18,140,649.84 and 7,344,466.22 is: 10,135,176.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145,641.07 : 18,140,649.84 = 7,344,466.22 : x
  2. Step 2: Convert to fraction form
    13,145,641.07/18,140,649.84 = 7,344,466.22/x
  3. Step 3: Cross multiply
    13,145,641.07x = 18,140,649.84 × 7,344,466.22
  4. Step 4: Simplify right side
    13,145,641.07x = 133,233,390,004,080.03
  5. Step 5: Solve for x
    x = 133,233,390,004,080.03/13,145,641.07
  6. Step 6: Final answer
    x = 10,135,176.32

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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.