Home / 21,339,706.64-32,009,643.99-5,165,631.92

Finding the Fourth Proportional to 21,339,706.64, 32,009,643.99 and 5,165,631.92

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Solution

The fourth proportional to 21,339,706.64, 32,009,643.99 and 5,165,631.92 is: 7,748,468.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,339,706.64 : 32,009,643.99 = 5,165,631.92 : x
  2. Step 2: Convert to fraction form
    21,339,706.64/32,009,643.99 = 5,165,631.92/x
  3. Step 3: Cross multiply
    21,339,706.64x = 32,009,643.99 × 5,165,631.92
  4. Step 4: Simplify right side
    21,339,706.64x = 165,350,038,822,604.28
  5. Step 5: Solve for x
    x = 165,350,038,822,604.28/21,339,706.64
  6. Step 6: Final answer
    x = 7,748,468.23

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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.