Home / 8,612,714.57-11,885,760.12-5,303,756.22

Finding the Fourth Proportional to 8,612,714.57, 11,885,760.12 and 5,303,756.22

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Solution

The fourth proportional to 8,612,714.57, 11,885,760.12 and 5,303,756.22 is: 7,319,315.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612,714.57 : 11,885,760.12 = 5,303,756.22 : x
  2. Step 2: Convert to fraction form
    8,612,714.57/11,885,760.12 = 5,303,756.22/x
  3. Step 3: Cross multiply
    8,612,714.57x = 11,885,760.12 × 5,303,756.22
  4. Step 4: Simplify right side
    8,612,714.57x = 63,039,174,165,877.94
  5. Step 5: Solve for x
    x = 63,039,174,165,877.94/8,612,714.57
  6. Step 6: Final answer
    x = 7,319,315.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.