Home / 10,347,913.80-15,521,870.70-10,179,952.20

Finding the Fourth Proportional to 10,347,913.80, 15,521,870.70 and 10,179,952.20

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Solution

The fourth proportional to 10,347,913.80, 15,521,870.70 and 10,179,952.20 is: 15,269,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347,913.80 : 15,521,870.70 = 10,179,952.20 : x
  2. Step 2: Convert to fraction form
    10,347,913.80/15,521,870.70 = 10,179,952.20/x
  3. Step 3: Cross multiply
    10,347,913.80x = 15,521,870.70 × 10,179,952.20
  4. Step 4: Simplify right side
    10,347,913.80x = 158,011,901,780,580.53
  5. Step 5: Solve for x
    x = 158,011,901,780,580.53/10,347,913.80
  6. Step 6: Final answer
    x = 15,269,928.30

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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.