Home / 10,643,436.80-15,967,228.80-4,252,601.60

Finding the Fourth Proportional to 10,643,436.80, 15,967,228.80 and 4,252,601.60

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Solution

The fourth proportional to 10,643,436.80, 15,967,228.80 and 4,252,601.60 is: 6,379,730.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643,436.80 : 15,967,228.80 = 4,252,601.60 : x
  2. Step 2: Convert to fraction form
    10,643,436.80/15,967,228.80 = 4,252,601.60/x
  3. Step 3: Cross multiply
    10,643,436.80x = 15,967,228.80 × 4,252,601.60
  4. Step 4: Simplify right side
    10,643,436.80x = 67,902,262,742,446.08
  5. Step 5: Solve for x
    x = 67,902,262,742,446.08/10,643,436.80
  6. Step 6: Final answer
    x = 6,379,730.91

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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.