Home / 14,937,796.64-20,616,123.65-8,412,701.72

Finding the Fourth Proportional to 14,937,796.64, 20,616,123.65 and 8,412,701.72

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Solution

The fourth proportional to 14,937,796.64, 20,616,123.65 and 8,412,701.72 is: 11,610,634.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,937,796.64 : 20,616,123.65 = 8,412,701.72 : x
  2. Step 2: Convert to fraction form
    14,937,796.64/20,616,123.65 = 8,412,701.72/x
  3. Step 3: Cross multiply
    14,937,796.64x = 20,616,123.65 × 8,412,701.72
  4. Step 4: Simplify right side
    14,937,796.64x = 173,437,298,744,943.53
  5. Step 5: Solve for x
    x = 173,437,298,744,943.53/14,937,796.64
  6. Step 6: Final answer
    x = 11,610,634.61

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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.