Home / 22,049,136.48-30,423,334.68-12,880,007.76

Finding the Fourth Proportional to 22,049,136.48, 30,423,334.68 and 12,880,007.76

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Solution

The fourth proportional to 22,049,136.48, 30,423,334.68 and 12,880,007.76 is: 17,771,797.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,049,136.48 : 30,423,334.68 = 12,880,007.76 : x
  2. Step 2: Convert to fraction form
    22,049,136.48/30,423,334.68 = 12,880,007.76/x
  3. Step 3: Cross multiply
    22,049,136.48x = 30,423,334.68 × 12,880,007.76
  4. Step 4: Simplify right side
    22,049,136.48x = 391,852,786,763,477.12
  5. Step 5: Solve for x
    x = 391,852,786,763,477.12/22,049,136.48
  6. Step 6: Final answer
    x = 17,771,797.42

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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.