Home / 8,466,680.40-11,685,656.48-5,521,384.92

Finding the Fourth Proportional to 8,466,680.40, 11,685,656.48 and 5,521,384.92

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Solution

The fourth proportional to 8,466,680.40, 11,685,656.48 and 5,521,384.92 is: 7,620,579.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466,680.40 : 11,685,656.48 = 5,521,384.92 : x
  2. Step 2: Convert to fraction form
    8,466,680.40/11,685,656.48 = 5,521,384.92/x
  3. Step 3: Cross multiply
    8,466,680.40x = 11,685,656.48 × 5,521,384.92
  4. Step 4: Simplify right side
    8,466,680.40x = 64,521,007,468,972.28
  5. Step 5: Solve for x
    x = 64,521,007,468,972.28/8,466,680.40
  6. Step 6: Final answer
    x = 7,620,579.07

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1.5x scale

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.