Home / 7,125,343.60-10,688,015.40-1,733,951.20

Finding the Fourth Proportional to 7,125,343.60, 10,688,015.40 and 1,733,951.20

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Solution

The fourth proportional to 7,125,343.60, 10,688,015.40 and 1,733,951.20 is: 2,600,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125,343.60 : 10,688,015.40 = 1,733,951.20 : x
  2. Step 2: Convert to fraction form
    7,125,343.60/10,688,015.40 = 1,733,951.20/x
  3. Step 3: Cross multiply
    7,125,343.60x = 10,688,015.40 × 1,733,951.20
  4. Step 4: Simplify right side
    7,125,343.60x = 18,532,497,128,448.48
  5. Step 5: Solve for x
    x = 18,532,497,128,448.48/7,125,343.60
  6. Step 6: Final answer
    x = 2,600,926.80

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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.