Home / 8,133,076.80-12,185,618.40-5,291,726.40

Finding the Fourth Proportional to 8,133,076.80, 12,185,618.40 and 5,291,726.40

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Solution

The fourth proportional to 8,133,076.80, 12,185,618.40 and 5,291,726.40 is: 7,928,482.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133,076.80 : 12,185,618.40 = 5,291,726.40 : x
  2. Step 2: Convert to fraction form
    8,133,076.80/12,185,618.40 = 5,291,726.40/x
  3. Step 3: Cross multiply
    8,133,076.80x = 12,185,618.40 × 5,291,726.40
  4. Step 4: Simplify right side
    8,133,076.80x = 64,482,958,587,605.77
  5. Step 5: Solve for x
    x = 64,482,958,587,605.77/8,133,076.80
  6. Step 6: Final answer
    x = 7,928,482.69

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1.5x scale

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.