Home / 7,772,792.06-11,655,801.97-4,128,724.49

Finding the Fourth Proportional to 7,772,792.06, 11,655,801.97 and 4,128,724.49

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Solution

The fourth proportional to 7,772,792.06, 11,655,801.97 and 4,128,724.49 is: 6,191,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772,792.06 : 11,655,801.97 = 4,128,724.49 : x
  2. Step 2: Convert to fraction form
    7,772,792.06/11,655,801.97 = 4,128,724.49/x
  3. Step 3: Cross multiply
    7,772,792.06x = 11,655,801.97 × 4,128,724.49
  4. Step 4: Simplify right side
    7,772,792.06x = 48,123,594,975,528.42
  5. Step 5: Solve for x
    x = 48,123,594,975,528.42/7,772,792.06
  6. Step 6: Final answer
    x = 6,191,288.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.