Home / 21,013,344.34-31,505,131.59-9,335,301.86

Finding the Fourth Proportional to 21,013,344.34, 31,505,131.59 and 9,335,301.86

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Solution

The fourth proportional to 21,013,344.34, 31,505,131.59 and 9,335,301.86 is: 13,996,340.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,013,344.34 : 31,505,131.59 = 9,335,301.86 : x
  2. Step 2: Convert to fraction form
    21,013,344.34/31,505,131.59 = 9,335,301.86/x
  3. Step 3: Cross multiply
    21,013,344.34x = 31,505,131.59 × 9,335,301.86
  4. Step 4: Simplify right side
    21,013,344.34x = 294,109,913,575,427.25
  5. Step 5: Solve for x
    x = 294,109,913,575,427.25/21,013,344.34
  6. Step 6: Final answer
    x = 13,996,340.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.