Home / 13,007,130.20-19,489,700.10-10,865,619.80

Finding the Fourth Proportional to 13,007,130.20, 19,489,700.10 and 10,865,619.80

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Solution

The fourth proportional to 13,007,130.20, 19,489,700.10 and 10,865,619.80 is: 16,280,891.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007,130.20 : 19,489,700.10 = 10,865,619.80 : x
  2. Step 2: Convert to fraction form
    13,007,130.20/19,489,700.10 = 10,865,619.80/x
  3. Step 3: Cross multiply
    13,007,130.20x = 19,489,700.10 × 10,865,619.80
  4. Step 4: Simplify right side
    13,007,130.20x = 211,767,671,302,622
  5. Step 5: Solve for x
    x = 211,767,671,302,622/13,007,130.20
  6. Step 6: Final answer
    x = 16,280,891.18

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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.