Home / 19,329,138.40-28,986,334.80-5,861,490.40

Finding the Fourth Proportional to 19,329,138.40, 28,986,334.80 and 5,861,490.40

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Solution

The fourth proportional to 19,329,138.40, 28,986,334.80 and 5,861,490.40 is: 8,789,999.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329,138.40 : 28,986,334.80 = 5,861,490.40 : x
  2. Step 2: Convert to fraction form
    19,329,138.40/28,986,334.80 = 5,861,490.40/x
  3. Step 3: Cross multiply
    19,329,138.40x = 28,986,334.80 × 5,861,490.40
  4. Step 4: Simplify right side
    19,329,138.40x = 169,903,123,161,385.94
  5. Step 5: Solve for x
    x = 169,903,123,161,385.94/19,329,138.40
  6. Step 6: Final answer
    x = 8,789,999.83

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1.5x scale

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.