Home / 8,870,999.80-13,306,937.10-4,619,471.80

Finding the Fourth Proportional to 8,870,999.80, 13,306,937.10 and 4,619,471.80

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Solution

The fourth proportional to 8,870,999.80, 13,306,937.10 and 4,619,471.80 is: 6,929,435.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870,999.80 : 13,306,937.10 = 4,619,471.80 : x
  2. Step 2: Convert to fraction form
    8,870,999.80/13,306,937.10 = 4,619,471.80/x
  3. Step 3: Cross multiply
    8,870,999.80x = 13,306,937.10 × 4,619,471.80
  4. Step 4: Simplify right side
    8,870,999.80x = 61,471,020,677,823.77
  5. Step 5: Solve for x
    x = 61,471,020,677,823.77/8,870,999.80
  6. Step 6: Final answer
    x = 6,929,435.47

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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.