Home / 28,571,436.36-39,429,101.60-16,184,101.72

Finding the Fourth Proportional to 28,571,436.36, 39,429,101.60 and 16,184,101.72

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Solution

The fourth proportional to 28,571,436.36, 39,429,101.60 and 16,184,101.72 is: 22,334,354.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,571,436.36 : 39,429,101.60 = 16,184,101.72 : x
  2. Step 2: Convert to fraction form
    28,571,436.36/39,429,101.60 = 16,184,101.72/x
  3. Step 3: Cross multiply
    28,571,436.36x = 39,429,101.60 × 16,184,101.72
  4. Step 4: Simplify right side
    28,571,436.36x = 638,124,591,022,614.75
  5. Step 5: Solve for x
    x = 638,124,591,022,614.75/28,571,436.36
  6. Step 6: Final answer
    x = 22,334,354.60

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1.5x scale

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.