Home / 12,254,457.20-18,381,685.80-5,877,165.20

Finding the Fourth Proportional to 12,254,457.20, 18,381,685.80 and 5,877,165.20

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Solution

The fourth proportional to 12,254,457.20, 18,381,685.80 and 5,877,165.20 is: 8,815,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254,457.20 : 18,381,685.80 = 5,877,165.20 : x
  2. Step 2: Convert to fraction form
    12,254,457.20/18,381,685.80 = 5,877,165.20/x
  3. Step 3: Cross multiply
    12,254,457.20x = 18,381,685.80 × 5,877,165.20
  4. Step 4: Simplify right side
    12,254,457.20x = 108,032,204,101,094.17
  5. Step 5: Solve for x
    x = 108,032,204,101,094.17/12,254,457.20
  6. Step 6: Final answer
    x = 8,815,747.80

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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.