Home / 10,605,075.78-14,635,631.46-7,986,962.16

Finding the Fourth Proportional to 10,605,075.78, 14,635,631.46 and 7,986,962.16

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Solution

The fourth proportional to 10,605,075.78, 14,635,631.46 and 7,986,962.16 is: 11,022,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,605,075.78 : 14,635,631.46 = 7,986,962.16 : x
  2. Step 2: Convert to fraction form
    10,605,075.78/14,635,631.46 = 7,986,962.16/x
  3. Step 3: Cross multiply
    10,605,075.78x = 14,635,631.46 × 7,986,962.16
  4. Step 4: Simplify right side
    10,605,075.78x = 116,894,234,658,725.56
  5. Step 5: Solve for x
    x = 116,894,234,658,725.56/10,605,075.78
  6. Step 6: Final answer
    x = 11,022,479.90

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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.