Home / 28,297,457.68-42,443,820.00-7,827,429.96

Finding the Fourth Proportional to 28,297,457.68, 42,443,820.00 and 7,827,429.96

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Solution

The fourth proportional to 28,297,457.68, 42,443,820.00 and 7,827,429.96 is: 11,740,490.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297,457.68 : 42,443,820.00 = 7,827,429.96 : x
  2. Step 2: Convert to fraction form
    28,297,457.68/42,443,820.00 = 7,827,429.96/x
  3. Step 3: Cross multiply
    28,297,457.68x = 42,443,820.00 × 7,827,429.96
  4. Step 4: Simplify right side
    28,297,457.68x = 332,226,028,426,219.75
  5. Step 5: Solve for x
    x = 332,226,028,426,219.75/28,297,457.68
  6. Step 6: Final answer
    x = 11,740,490.34

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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.