Home / 8,748,037.40-13,122,056.10-4,921,662.20

Finding the Fourth Proportional to 8,748,037.40, 13,122,056.10 and 4,921,662.20

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Solution

The fourth proportional to 8,748,037.40, 13,122,056.10 and 4,921,662.20 is: 7,382,493.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,037.40 : 13,122,056.10 = 4,921,662.20 : x
  2. Step 2: Convert to fraction form
    8,748,037.40/13,122,056.10 = 4,921,662.20/x
  3. Step 3: Cross multiply
    8,748,037.40x = 13,122,056.10 × 4,921,662.20
  4. Step 4: Simplify right side
    8,748,037.40x = 64,582,327,493,649.42
  5. Step 5: Solve for x
    x = 64,582,327,493,649.42/8,748,037.40
  6. Step 6: Final answer
    x = 7,382,493.30

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Double scale
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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.