Home / 14,669,621.10-22,007,384.10-12,289,946.40

Finding the Fourth Proportional to 14,669,621.10, 22,007,384.10 and 12,289,946.40

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Solution

The fourth proportional to 14,669,621.10, 22,007,384.10 and 12,289,946.40 is: 18,437,393.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,669,621.10 : 22,007,384.10 = 12,289,946.40 : x
  2. Step 2: Convert to fraction form
    14,669,621.10/22,007,384.10 = 12,289,946.40/x
  3. Step 3: Cross multiply
    14,669,621.10x = 22,007,384.10 × 12,289,946.40
  4. Step 4: Simplify right side
    14,669,621.10x = 270,469,570,993,212.28
  5. Step 5: Solve for x
    x = 270,469,570,993,212.28/14,669,621.10
  6. Step 6: Final answer
    x = 18,437,393.11

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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.