Home / 11,378,648.16-15,689,117.52-9,196,443.36

Finding the Fourth Proportional to 11,378,648.16, 15,689,117.52 and 9,196,443.36

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Solution

The fourth proportional to 11,378,648.16, 15,689,117.52 and 9,196,443.36 is: 12,680,248.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378,648.16 : 15,689,117.52 = 9,196,443.36 : x
  2. Step 2: Convert to fraction form
    11,378,648.16/15,689,117.52 = 9,196,443.36/x
  3. Step 3: Cross multiply
    11,378,648.16x = 15,689,117.52 × 9,196,443.36
  4. Step 4: Simplify right side
    11,378,648.16x = 144,284,080,641,063.66
  5. Step 5: Solve for x
    x = 144,284,080,641,063.66/11,378,648.16
  6. Step 6: Final answer
    x = 12,680,248.01

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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.