Home / 13,221,776.32-18,246,089.30-7,341,423.22

Finding the Fourth Proportional to 13,221,776.32, 18,246,089.30 and 7,341,423.22

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Solution

The fourth proportional to 13,221,776.32, 18,246,089.30 and 7,341,423.22 is: 10,131,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,221,776.32 : 18,246,089.30 = 7,341,423.22 : x
  2. Step 2: Convert to fraction form
    13,221,776.32/18,246,089.30 = 7,341,423.22/x
  3. Step 3: Cross multiply
    13,221,776.32x = 18,246,089.30 × 7,341,423.22
  4. Step 4: Simplify right side
    13,221,776.32x = 133,952,263,647,314.06
  5. Step 5: Solve for x
    x = 133,952,263,647,314.06/13,221,776.32
  6. Step 6: Final answer
    x = 10,131,185.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.