Home / 13,609,071.40-20,413,607.10-9,074,108.20

Finding the Fourth Proportional to 13,609,071.40, 20,413,607.10 and 9,074,108.20

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Solution

The fourth proportional to 13,609,071.40, 20,413,607.10 and 9,074,108.20 is: 13,611,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,071.40 : 20,413,607.10 = 9,074,108.20 : x
  2. Step 2: Convert to fraction form
    13,609,071.40/20,413,607.10 = 9,074,108.20/x
  3. Step 3: Cross multiply
    13,609,071.40x = 20,413,607.10 × 9,074,108.20
  4. Step 4: Simplify right side
    13,609,071.40x = 185,235,279,577,688.22
  5. Step 5: Solve for x
    x = 185,235,279,577,688.22/13,609,071.40
  6. Step 6: Final answer
    x = 13,611,162.30

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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.