Home / 7,785,106.62-11,677,978.08-2,671,053.18

Finding the Fourth Proportional to 7,785,106.62, 11,677,978.08 and 2,671,053.18

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Solution

The fourth proportional to 7,785,106.62, 11,677,978.08 and 2,671,053.18 is: 4,006,688.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785,106.62 : 11,677,978.08 = 2,671,053.18 : x
  2. Step 2: Convert to fraction form
    7,785,106.62/11,677,978.08 = 2,671,053.18/x
  3. Step 3: Cross multiply
    7,785,106.62x = 11,677,978.08 × 2,671,053.18
  4. Step 4: Simplify right side
    7,785,106.62x = 31,192,500,486,554.30
  5. Step 5: Solve for x
    x = 31,192,500,486,554.30/7,785,106.62
  6. Step 6: Final answer
    x = 4,006,688.93

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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.