Home / 9,669,686.72-13,343,889.12-5,318,772.80

Finding the Fourth Proportional to 9,669,686.72, 13,343,889.12 and 5,318,772.80

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Solution

The fourth proportional to 9,669,686.72, 13,343,889.12 and 5,318,772.80 is: 7,339,753.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,669,686.72 : 13,343,889.12 = 5,318,772.80 : x
  2. Step 2: Convert to fraction form
    9,669,686.72/13,343,889.12 = 5,318,772.80/x
  3. Step 3: Cross multiply
    9,669,686.72x = 13,343,889.12 × 5,318,772.80
  4. Step 4: Simplify right side
    9,669,686.72x = 70,973,114,497,671.92
  5. Step 5: Solve for x
    x = 70,973,114,497,671.92/9,669,686.72
  6. Step 6: Final answer
    x = 7,339,753.25

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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.