Home / 13,300,233.77-18,354,330.47-7,419,867.98

Finding the Fourth Proportional to 13,300,233.77, 18,354,330.47 and 7,419,867.98

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Solution

The fourth proportional to 13,300,233.77, 18,354,330.47 and 7,419,867.98 is: 10,239,422.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300,233.77 : 18,354,330.47 = 7,419,867.98 : x
  2. Step 2: Convert to fraction form
    13,300,233.77/18,354,330.47 = 7,419,867.98/x
  3. Step 3: Cross multiply
    13,300,233.77x = 18,354,330.47 × 7,419,867.98
  4. Step 4: Simplify right side
    13,300,233.77x = 136,186,708,952,904.45
  5. Step 5: Solve for x
    x = 136,186,708,952,904.45/13,300,233.77
  6. Step 6: Final answer
    x = 10,239,422.20

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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.