Home / 10,959,375.48-16,371,861.78-7,900,637.28

Finding the Fourth Proportional to 10,959,375.48, 16,371,861.78 and 7,900,637.28

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Solution

The fourth proportional to 10,959,375.48, 16,371,861.78 and 7,900,637.28 is: 11,802,510.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959,375.48 : 16,371,861.78 = 7,900,637.28 : x
  2. Step 2: Convert to fraction form
    10,959,375.48/16,371,861.78 = 7,900,637.28/x
  3. Step 3: Cross multiply
    10,959,375.48x = 16,371,861.78 × 7,900,637.28
  4. Step 4: Simplify right side
    10,959,375.48x = 129,348,141,522,075.16
  5. Step 5: Solve for x
    x = 129,348,141,522,075.16/10,959,375.48
  6. Step 6: Final answer
    x = 11,802,510.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.