Home / 9,217,985.68-12,718,921.15-5,296,984.46

Finding the Fourth Proportional to 9,217,985.68, 12,718,921.15 and 5,296,984.46

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Solution

The fourth proportional to 9,217,985.68, 12,718,921.15 and 5,296,984.46 is: 7,308,747.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217,985.68 : 12,718,921.15 = 5,296,984.46 : x
  2. Step 2: Convert to fraction form
    9,217,985.68/12,718,921.15 = 5,296,984.46/x
  3. Step 3: Cross multiply
    9,217,985.68x = 12,718,921.15 × 5,296,984.46
  4. Step 4: Simplify right side
    9,217,985.68x = 67,371,927,679,515.33
  5. Step 5: Solve for x
    x = 67,371,927,679,515.33/9,217,985.68
  6. Step 6: Final answer
    x = 7,308,747.27

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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.