Home / 8,507,358.40-12,761,037.60-2,828,459.20

Finding the Fourth Proportional to 8,507,358.40, 12,761,037.60 and 2,828,459.20

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Solution

The fourth proportional to 8,507,358.40, 12,761,037.60 and 2,828,459.20 is: 4,242,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507,358.40 : 12,761,037.60 = 2,828,459.20 : x
  2. Step 2: Convert to fraction form
    8,507,358.40/12,761,037.60 = 2,828,459.20/x
  3. Step 3: Cross multiply
    8,507,358.40x = 12,761,037.60 × 2,828,459.20
  4. Step 4: Simplify right side
    8,507,358.40x = 36,094,074,201,265.92
  5. Step 5: Solve for x
    x = 36,094,074,201,265.92/8,507,358.40
  6. Step 6: Final answer
    x = 4,242,688.80

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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.