Home / 9,043,766.45-12,480,137.21-5,176,156.13

Finding the Fourth Proportional to 9,043,766.45, 12,480,137.21 and 5,176,156.13

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Solution

The fourth proportional to 9,043,766.45, 12,480,137.21 and 5,176,156.13 is: 7,142,946.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,043,766.45 : 12,480,137.21 = 5,176,156.13 : x
  2. Step 2: Convert to fraction form
    9,043,766.45/12,480,137.21 = 5,176,156.13/x
  3. Step 3: Cross multiply
    9,043,766.45x = 12,480,137.21 × 5,176,156.13
  4. Step 4: Simplify right side
    9,043,766.45x = 64,599,138,696,901.81
  5. Step 5: Solve for x
    x = 64,599,138,696,901.81/9,043,766.45
  6. Step 6: Final answer
    x = 7,142,946.37

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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.