Home / 8,707,331.79-12,016,261.71-4,787,253.63

Finding the Fourth Proportional to 8,707,331.79, 12,016,261.71 and 4,787,253.63

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Solution

The fourth proportional to 8,707,331.79, 12,016,261.71 and 4,787,253.63 is: 6,606,489.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707,331.79 : 12,016,261.71 = 4,787,253.63 : x
  2. Step 2: Convert to fraction form
    8,707,331.79/12,016,261.71 = 4,787,253.63/x
  3. Step 3: Cross multiply
    8,707,331.79x = 12,016,261.71 × 4,787,253.63
  4. Step 4: Simplify right side
    8,707,331.79x = 57,524,892,490,227.51
  5. Step 5: Solve for x
    x = 57,524,892,490,227.51/8,707,331.79
  6. Step 6: Final answer
    x = 6,606,489.09

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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.