Home / 11,006,007.40-16,509,011.10-7,179,632.20

Finding the Fourth Proportional to 11,006,007.40, 16,509,011.10 and 7,179,632.20

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Solution

The fourth proportional to 11,006,007.40, 16,509,011.10 and 7,179,632.20 is: 10,769,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006,007.40 : 16,509,011.10 = 7,179,632.20 : x
  2. Step 2: Convert to fraction form
    11,006,007.40/16,509,011.10 = 7,179,632.20/x
  3. Step 3: Cross multiply
    11,006,007.40x = 16,509,011.10 × 7,179,632.20
  4. Step 4: Simplify right side
    11,006,007.40x = 118,528,627,683,717.42
  5. Step 5: Solve for x
    x = 118,528,627,683,717.42/11,006,007.40
  6. Step 6: Final answer
    x = 10,769,448.30

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Similar ratio
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1.5x scale

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.