Home / 28,262,824.30-39,011,155.47-16,505,264.21

Finding the Fourth Proportional to 28,262,824.30, 39,011,155.47 and 16,505,264.21

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Solution

The fourth proportional to 28,262,824.30, 39,011,155.47 and 16,505,264.21 is: 22,782,203.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262,824.30 : 39,011,155.47 = 16,505,264.21 : x
  2. Step 2: Convert to fraction form
    28,262,824.30/39,011,155.47 = 16,505,264.21/x
  3. Step 3: Cross multiply
    28,262,824.30x = 39,011,155.47 × 16,505,264.21
  4. Step 4: Simplify right side
    28,262,824.30x = 643,889,428,169,736.75
  5. Step 5: Solve for x
    x = 643,889,428,169,736.75/28,262,824.30
  6. Step 6: Final answer
    x = 22,782,203.98

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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.