Home / 15,299,513.27-21,113,846.52-8,330,461.12

Finding the Fourth Proportional to 15,299,513.27, 21,113,846.52 and 8,330,461.12

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Solution

The fourth proportional to 15,299,513.27, 21,113,846.52 and 8,330,461.12 is: 11,496,318.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,299,513.27 : 21,113,846.52 = 8,330,461.12 : x
  2. Step 2: Convert to fraction form
    15,299,513.27/21,113,846.52 = 8,330,461.12/x
  3. Step 3: Cross multiply
    15,299,513.27x = 21,113,846.52 × 8,330,461.12
  4. Step 4: Simplify right side
    15,299,513.27x = 175,888,077,422,938.06
  5. Step 5: Solve for x
    x = 175,888,077,422,938.06/15,299,513.27
  6. Step 6: Final answer
    x = 11,496,318.50

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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.