Home / 11,612,632.70-17,421,043.44-4,785,405.78

Finding the Fourth Proportional to 11,612,632.70, 17,421,043.44 and 4,785,405.78

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Solution

The fourth proportional to 11,612,632.70, 17,421,043.44 and 4,785,405.78 is: 7,178,971.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612,632.70 : 17,421,043.44 = 4,785,405.78 : x
  2. Step 2: Convert to fraction form
    11,612,632.70/17,421,043.44 = 4,785,405.78/x
  3. Step 3: Cross multiply
    11,612,632.70x = 17,421,043.44 × 4,785,405.78
  4. Step 4: Simplify right side
    11,612,632.70x = 83,366,762,054,681.28
  5. Step 5: Solve for x
    x = 83,366,762,054,681.28/11,612,632.70
  6. Step 6: Final answer
    x = 7,178,971.74

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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.