Home / 19,359,338.80-29,039,809.50-5,712,485.20

Finding the Fourth Proportional to 19,359,338.80, 29,039,809.50 and 5,712,485.20

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Solution

The fourth proportional to 19,359,338.80, 29,039,809.50 and 5,712,485.20 is: 8,568,964.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359,338.80 : 29,039,809.50 = 5,712,485.20 : x
  2. Step 2: Convert to fraction form
    19,359,338.80/29,039,809.50 = 5,712,485.20/x
  3. Step 3: Cross multiply
    19,359,338.80x = 29,039,809.50 × 5,712,485.20
  4. Step 4: Simplify right side
    19,359,338.80x = 165,889,481,979,569.41
  5. Step 5: Solve for x
    x = 165,889,481,979,569.41/19,359,338.80
  6. Step 6: Final answer
    x = 8,568,964.24

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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.