Home / 22,385,664-30,892,216.32-12,727,872

Finding the Fourth Proportional to 22,385,664, 30,892,216.32 and 12,727,872

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Solution

The fourth proportional to 22,385,664, 30,892,216.32 and 12,727,872 is: 17,564,463.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,385,664 : 30,892,216.32 = 12,727,872 : x
  2. Step 2: Convert to fraction form
    22,385,664/30,892,216.32 = 12,727,872/x
  3. Step 3: Cross multiply
    22,385,664x = 30,892,216.32 × 12,727,872
  4. Step 4: Simplify right side
    22,385,664x = 393,192,175,117,271.06
  5. Step 5: Solve for x
    x = 393,192,175,117,271.06/22,385,664
  6. Step 6: Final answer
    x = 17,564,463.36

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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.