Home / 14,429,312.74-19,912,470.90-7,813,912.73

Finding the Fourth Proportional to 14,429,312.74, 19,912,470.90 and 7,813,912.73

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Solution

The fourth proportional to 14,429,312.74, 19,912,470.90 and 7,813,912.73 is: 10,783,210.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429,312.74 : 19,912,470.90 = 7,813,912.73 : x
  2. Step 2: Convert to fraction form
    14,429,312.74/19,912,470.90 = 7,813,912.73/x
  3. Step 3: Cross multiply
    14,429,312.74x = 19,912,470.90 × 7,813,912.73
  4. Step 4: Simplify right side
    14,429,312.74x = 155,594,309,901,045.72
  5. Step 5: Solve for x
    x = 155,594,309,901,045.72/14,429,312.74
  6. Step 6: Final answer
    x = 10,783,210.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.