Home / 7,186,154.40-10,779,231.60-4,761,208.80

Finding the Fourth Proportional to 7,186,154.40, 10,779,231.60 and 4,761,208.80

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Solution

The fourth proportional to 7,186,154.40, 10,779,231.60 and 4,761,208.80 is: 7,141,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186,154.40 : 10,779,231.60 = 4,761,208.80 : x
  2. Step 2: Convert to fraction form
    7,186,154.40/10,779,231.60 = 4,761,208.80/x
  3. Step 3: Cross multiply
    7,186,154.40x = 10,779,231.60 × 4,761,208.80
  4. Step 4: Simplify right side
    7,186,154.40x = 51,322,172,351,158.08
  5. Step 5: Solve for x
    x = 51,322,172,351,158.08/7,186,154.40
  6. Step 6: Final answer
    x = 7,141,813.20

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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.