Home / 10,856,534.80-16,284,802.20-7,077,398.80

Finding the Fourth Proportional to 10,856,534.80, 16,284,802.20 and 7,077,398.80

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Solution

The fourth proportional to 10,856,534.80, 16,284,802.20 and 7,077,398.80 is: 10,616,098.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856,534.80 : 16,284,802.20 = 7,077,398.80 : x
  2. Step 2: Convert to fraction form
    10,856,534.80/16,284,802.20 = 7,077,398.80/x
  3. Step 3: Cross multiply
    10,856,534.80x = 16,284,802.20 × 7,077,398.80
  4. Step 4: Simplify right side
    10,856,534.80x = 115,254,039,548,517.36
  5. Step 5: Solve for x
    x = 115,254,039,548,517.36/10,856,534.80
  6. Step 6: Final answer
    x = 10,616,098.20

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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.