Home / 15,870,686.40-23,806,029.60-9,785,686.95

Finding the Fourth Proportional to 15,870,686.40, 23,806,029.60 and 9,785,686.95

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Solution

The fourth proportional to 15,870,686.40, 23,806,029.60 and 9,785,686.95 is: 14,678,530.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,870,686.40 : 23,806,029.60 = 9,785,686.95 : x
  2. Step 2: Convert to fraction form
    15,870,686.40/23,806,029.60 = 9,785,686.95/x
  3. Step 3: Cross multiply
    15,870,686.40x = 23,806,029.60 × 9,785,686.95
  4. Step 4: Simplify right side
    15,870,686.40x = 232,958,353,188,033.72
  5. Step 5: Solve for x
    x = 232,958,353,188,033.72/15,870,686.40
  6. Step 6: Final answer
    x = 14,678,530.43

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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.