Home / 13,609,115.40-20,413,673.10-9,074,152.20

Finding the Fourth Proportional to 13,609,115.40, 20,413,673.10 and 9,074,152.20

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Solution

The fourth proportional to 13,609,115.40, 20,413,673.10 and 9,074,152.20 is: 13,611,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,115.40 : 20,413,673.10 = 9,074,152.20 : x
  2. Step 2: Convert to fraction form
    13,609,115.40/20,413,673.10 = 9,074,152.20/x
  3. Step 3: Cross multiply
    13,609,115.40x = 20,413,673.10 × 9,074,152.20
  4. Step 4: Simplify right side
    13,609,115.40x = 185,236,776,670,445.81
  5. Step 5: Solve for x
    x = 185,236,776,670,445.81/13,609,115.40
  6. Step 6: Final answer
    x = 13,611,228.30

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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.