Home / 7,260,407.40-10,890,611.10-2,999,159.40

Finding the Fourth Proportional to 7,260,407.40, 10,890,611.10 and 2,999,159.40

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Solution

The fourth proportional to 7,260,407.40, 10,890,611.10 and 2,999,159.40 is: 4,498,739.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260,407.40 : 10,890,611.10 = 2,999,159.40 : x
  2. Step 2: Convert to fraction form
    7,260,407.40/10,890,611.10 = 2,999,159.40/x
  3. Step 3: Cross multiply
    7,260,407.40x = 10,890,611.10 × 2,999,159.40
  4. Step 4: Simplify right side
    7,260,407.40x = 32,662,678,652,309.34
  5. Step 5: Solve for x
    x = 32,662,678,652,309.34/7,260,407.40
  6. Step 6: Final answer
    x = 4,498,739.10

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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.