Home / 18,153,927.36-25,051,783.68-9,893,819.52

Finding the Fourth Proportional to 18,153,927.36, 25,051,783.68 and 9,893,819.52

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Solution

The fourth proportional to 18,153,927.36, 25,051,783.68 and 9,893,819.52 is: 13,653,124.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153,927.36 : 25,051,783.68 = 9,893,819.52 : x
  2. Step 2: Convert to fraction form
    18,153,927.36/25,051,783.68 = 9,893,819.52/x
  3. Step 3: Cross multiply
    18,153,927.36x = 25,051,783.68 × 9,893,819.52
  4. Step 4: Simplify right side
    18,153,927.36x = 247,857,826,384,001.41
  5. Step 5: Solve for x
    x = 247,857,826,384,001.41/18,153,927.36
  6. Step 6: Final answer
    x = 13,653,124.28

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1.5x scale

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.