Home / 10,378,900.80-15,569,836.97-3,191,038.16

Finding the Fourth Proportional to 10,378,900.80, 15,569,836.97 and 3,191,038.16

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Solution

The fourth proportional to 10,378,900.80, 15,569,836.97 and 3,191,038.16 is: 4,787,014.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378,900.80 : 15,569,836.97 = 3,191,038.16 : x
  2. Step 2: Convert to fraction form
    10,378,900.80/15,569,836.97 = 3,191,038.16/x
  3. Step 3: Cross multiply
    10,378,900.80x = 15,569,836.97 × 3,191,038.16
  4. Step 4: Simplify right side
    10,378,900.80x = 49,683,943,822,444.40
  5. Step 5: Solve for x
    x = 49,683,943,822,444.40/10,378,900.80
  6. Step 6: Final answer
    x = 4,787,014.04

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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.