Home / 21,554,621.10-32,331,931.65-19,428,857.10

Finding the Fourth Proportional to 21,554,621.10, 32,331,931.65 and 19,428,857.10

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Solution

The fourth proportional to 21,554,621.10, 32,331,931.65 and 19,428,857.10 is: 29,143,285.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554,621.10 : 32,331,931.65 = 19,428,857.10 : x
  2. Step 2: Convert to fraction form
    21,554,621.10/32,331,931.65 = 19,428,857.10/x
  3. Step 3: Cross multiply
    21,554,621.10x = 32,331,931.65 × 19,428,857.10
  4. Step 4: Simplify right side
    21,554,621.10x = 628,172,479,794,817.25
  5. Step 5: Solve for x
    x = 628,172,479,794,817.25/21,554,621.10
  6. Step 6: Final answer
    x = 29,143,285.65

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1.5x scale

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.