Home / 8,528,462.40-11,769,258.96-4,857,378.72

Finding the Fourth Proportional to 8,528,462.40, 11,769,258.96 and 4,857,378.72

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Solution

The fourth proportional to 8,528,462.40, 11,769,258.96 and 4,857,378.72 is: 6,703,171.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528,462.40 : 11,769,258.96 = 4,857,378.72 : x
  2. Step 2: Convert to fraction form
    8,528,462.40/11,769,258.96 = 4,857,378.72/x
  3. Step 3: Cross multiply
    8,528,462.40x = 11,769,258.96 × 4,857,378.72
  4. Step 4: Simplify right side
    8,528,462.40x = 57,167,748,022,473.34
  5. Step 5: Solve for x
    x = 57,167,748,022,473.34/8,528,462.40
  6. Step 6: Final answer
    x = 6,703,171.73

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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.