Home / 28,659,268.76-39,549,397.20-16,269,254.06

Finding the Fourth Proportional to 28,659,268.76, 39,549,397.20 and 16,269,254.06

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Solution

The fourth proportional to 28,659,268.76, 39,549,397.20 and 16,269,254.06 is: 22,451,347.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,659,268.76 : 39,549,397.20 = 16,269,254.06 : x
  2. Step 2: Convert to fraction form
    28,659,268.76/39,549,397.20 = 16,269,254.06/x
  3. Step 3: Cross multiply
    28,659,268.76x = 39,549,397.20 × 16,269,254.06
  4. Step 4: Simplify right side
    28,659,268.76x = 643,439,190,966,652.75
  5. Step 5: Solve for x
    x = 643,439,190,966,652.75/28,659,268.76
  6. Step 6: Final answer
    x = 22,451,347.11

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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.