Home / 13,894,628.19-20,843,951.58-5,256,386.43

Finding the Fourth Proportional to 13,894,628.19, 20,843,951.58 and 5,256,386.43

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Solution

The fourth proportional to 13,894,628.19, 20,843,951.58 and 5,256,386.43 is: 7,885,339.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894,628.19 : 20,843,951.58 = 5,256,386.43 : x
  2. Step 2: Convert to fraction form
    13,894,628.19/20,843,951.58 = 5,256,386.43/x
  3. Step 3: Cross multiply
    13,894,628.19x = 20,843,951.58 × 5,256,386.43
  4. Step 4: Simplify right side
    13,894,628.19x = 109,563,864,232,689.05
  5. Step 5: Solve for x
    x = 109,563,864,232,689.05/13,894,628.19
  6. Step 6: Final answer
    x = 7,885,339.77

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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.