Home / 9,163,142.47-12,645,354.93-5,033,260.12

Finding the Fourth Proportional to 9,163,142.47, 12,645,354.93 and 5,033,260.12

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Solution

The fourth proportional to 9,163,142.47, 12,645,354.93 and 5,033,260.12 is: 6,946,018.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163,142.47 : 12,645,354.93 = 5,033,260.12 : x
  2. Step 2: Convert to fraction form
    9,163,142.47/12,645,354.93 = 5,033,260.12/x
  3. Step 3: Cross multiply
    9,163,142.47x = 12,645,354.93 × 5,033,260.12
  4. Step 4: Simplify right side
    9,163,142.47x = 63,647,360,672,414.39
  5. Step 5: Solve for x
    x = 63,647,360,672,414.39/9,163,142.47
  6. Step 6: Final answer
    x = 6,946,018.89

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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.