Home / 13,004,880.30-19,507,320.45-12,207,718.80

Finding the Fourth Proportional to 13,004,880.30, 19,507,320.45 and 12,207,718.80

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Solution

The fourth proportional to 13,004,880.30, 19,507,320.45 and 12,207,718.80 is: 18,311,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,004,880.30 : 19,507,320.45 = 12,207,718.80 : x
  2. Step 2: Convert to fraction form
    13,004,880.30/19,507,320.45 = 12,207,718.80/x
  3. Step 3: Cross multiply
    13,004,880.30x = 19,507,320.45 × 12,207,718.80
  4. Step 4: Simplify right side
    13,004,880.30x = 238,139,882,595,089.47
  5. Step 5: Solve for x
    x = 238,139,882,595,089.47/13,004,880.30
  6. Step 6: Final answer
    x = 18,311,578.20

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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.