Home / 7,870,108.02-11,808,592.92-2,756,206.50

Finding the Fourth Proportional to 7,870,108.02, 11,808,592.92 and 2,756,206.50

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Solution

The fourth proportional to 7,870,108.02, 11,808,592.92 and 2,756,206.50 is: 4,135,511.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870,108.02 : 11,808,592.92 = 2,756,206.50 : x
  2. Step 2: Convert to fraction form
    7,870,108.02/11,808,592.92 = 2,756,206.50/x
  3. Step 3: Cross multiply
    7,870,108.02x = 11,808,592.92 × 2,756,206.50
  4. Step 4: Simplify right side
    7,870,108.02x = 32,546,920,561,957.98
  5. Step 5: Solve for x
    x = 32,546,920,561,957.98/7,870,108.02
  6. Step 6: Final answer
    x = 4,135,511.29

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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.