Home / 7,345,342.80-11,018,014.20-6,169,611.60

Finding the Fourth Proportional to 7,345,342.80, 11,018,014.20 and 6,169,611.60

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Solution

The fourth proportional to 7,345,342.80, 11,018,014.20 and 6,169,611.60 is: 9,254,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345,342.80 : 11,018,014.20 = 6,169,611.60 : x
  2. Step 2: Convert to fraction form
    7,345,342.80/11,018,014.20 = 6,169,611.60/x
  3. Step 3: Cross multiply
    7,345,342.80x = 11,018,014.20 × 6,169,611.60
  4. Step 4: Simplify right side
    7,345,342.80x = 67,976,868,217,284.71
  5. Step 5: Solve for x
    x = 67,976,868,217,284.71/7,345,342.80
  6. Step 6: Final answer
    x = 9,254,417.40

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Double scale
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Similar ratio
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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.