Home / 21,808,263.29-30,090,117.82-12,386,958.49

Finding the Fourth Proportional to 21,808,263.29, 30,090,117.82 and 12,386,958.49

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Solution

The fourth proportional to 21,808,263.29, 30,090,117.82 and 12,386,958.49 is: 17,091,000.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,808,263.29 : 30,090,117.82 = 12,386,958.49 : x
  2. Step 2: Convert to fraction form
    21,808,263.29/30,090,117.82 = 12,386,958.49/x
  3. Step 3: Cross multiply
    21,808,263.29x = 30,090,117.82 × 12,386,958.49
  4. Step 4: Simplify right side
    21,808,263.29x = 372,725,040,395,549.31
  5. Step 5: Solve for x
    x = 372,725,040,395,549.31/21,808,263.29
  6. Step 6: Final answer
    x = 17,091,000.57

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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.