Home / 7,016,854.74-9,683,155.26-3,919,421.22

Finding the Fourth Proportional to 7,016,854.74, 9,683,155.26 and 3,919,421.22

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Solution

The fourth proportional to 7,016,854.74, 9,683,155.26 and 3,919,421.22 is: 5,408,743.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,016,854.74 : 9,683,155.26 = 3,919,421.22 : x
  2. Step 2: Convert to fraction form
    7,016,854.74/9,683,155.26 = 3,919,421.22/x
  3. Step 3: Cross multiply
    7,016,854.74x = 9,683,155.26 × 3,919,421.22
  4. Step 4: Simplify right side
    7,016,854.74x = 37,952,364,202,598.62
  5. Step 5: Solve for x
    x = 37,952,364,202,598.62/7,016,854.74
  6. Step 6: Final answer
    x = 5,408,743.04

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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.