Home / 14,332,046.64-19,777,929.12-7,805,790.78

Finding the Fourth Proportional to 14,332,046.64, 19,777,929.12 and 7,805,790.78

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Solution

The fourth proportional to 14,332,046.64, 19,777,929.12 and 7,805,790.78 is: 10,771,830.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,332,046.64 : 19,777,929.12 = 7,805,790.78 : x
  2. Step 2: Convert to fraction form
    14,332,046.64/19,777,929.12 = 7,805,790.78/x
  3. Step 3: Cross multiply
    14,332,046.64x = 19,777,929.12 × 7,805,790.78
  4. Step 4: Simplify right side
    14,332,046.64x = 154,382,376,772,389.53
  5. Step 5: Solve for x
    x = 154,382,376,772,389.53/14,332,046.64
  6. Step 6: Final answer
    x = 10,771,830.48

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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.