Home / 27,806,782.64-38,366,155.32-16,784,821.04

Finding the Fourth Proportional to 27,806,782.64, 38,366,155.32 and 16,784,821.04

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Solution

The fourth proportional to 27,806,782.64, 38,366,155.32 and 16,784,821.04 is: 23,158,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,806,782.64 : 38,366,155.32 = 16,784,821.04 : x
  2. Step 2: Convert to fraction form
    27,806,782.64/38,366,155.32 = 16,784,821.04/x
  3. Step 3: Cross multiply
    27,806,782.64x = 38,366,155.32 × 16,784,821.04
  4. Step 4: Simplify right side
    27,806,782.64x = 643,969,051,039,043.88
  5. Step 5: Solve for x
    x = 643,969,051,039,043.88/27,806,782.64
  6. Step 6: Final answer
    x = 23,158,704.10

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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.