Home / 15,790,530.88-21,781,836.64-9,506,683.52

Finding the Fourth Proportional to 15,790,530.88, 21,781,836.64 and 9,506,683.52

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Solution

The fourth proportional to 15,790,530.88, 21,781,836.64 and 9,506,683.52 is: 13,113,747.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,790,530.88 : 21,781,836.64 = 9,506,683.52 : x
  2. Step 2: Convert to fraction form
    15,790,530.88/21,781,836.64 = 9,506,683.52/x
  3. Step 3: Cross multiply
    15,790,530.88x = 21,781,836.64 × 9,506,683.52
  4. Step 4: Simplify right side
    15,790,530.88x = 207,073,027,420,820.16
  5. Step 5: Solve for x
    x = 207,073,027,420,820.16/15,790,530.88
  6. Step 6: Final answer
    x = 13,113,747.03

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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.