Home / 19,112,706.11-28,670,710.59-5,279,660.01

Finding the Fourth Proportional to 19,112,706.11, 28,670,710.59 and 5,279,660.01

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Solution

The fourth proportional to 19,112,706.11, 28,670,710.59 and 5,279,660.01 is: 7,919,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112,706.11 : 28,670,710.59 = 5,279,660.01 : x
  2. Step 2: Convert to fraction form
    19,112,706.11/28,670,710.59 = 5,279,660.01/x
  3. Step 3: Cross multiply
    19,112,706.11x = 28,670,710.59 × 5,279,660.01
  4. Step 4: Simplify right side
    19,112,706.11x = 151,371,604,133,908.22
  5. Step 5: Solve for x
    x = 151,371,604,133,908.22/19,112,706.11
  6. Step 6: Final answer
    x = 7,919,946.20

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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.