Home / 13,206,423.80-19,798,115.70-5,124,913.40

Finding the Fourth Proportional to 13,206,423.80, 19,798,115.70 and 5,124,913.40

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Solution

The fourth proportional to 13,206,423.80, 19,798,115.70 and 5,124,913.40 is: 7,682,899.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206,423.80 : 19,798,115.70 = 5,124,913.40 : x
  2. Step 2: Convert to fraction form
    13,206,423.80/19,798,115.70 = 5,124,913.40/x
  3. Step 3: Cross multiply
    13,206,423.80x = 19,798,115.70 × 5,124,913.40
  4. Step 4: Simplify right side
    13,206,423.80x = 101,463,628,445,680.39
  5. Step 5: Solve for x
    x = 101,463,628,445,680.39/13,206,423.80
  6. Step 6: Final answer
    x = 7,682,899.62

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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.