Home / 28,236,224.16-38,968,868.88-16,637,404.32

Finding the Fourth Proportional to 28,236,224.16, 38,968,868.88 and 16,637,404.32

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Solution

The fourth proportional to 28,236,224.16, 38,968,868.88 and 16,637,404.32 is: 22,961,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,236,224.16 : 38,968,868.88 = 16,637,404.32 : x
  2. Step 2: Convert to fraction form
    28,236,224.16/38,968,868.88 = 16,637,404.32/x
  3. Step 3: Cross multiply
    28,236,224.16x = 38,968,868.88 × 16,637,404.32
  4. Step 4: Simplify right side
    28,236,224.16x = 648,340,827,449,625.62
  5. Step 5: Solve for x
    x = 648,340,827,449,625.62/28,236,224.16
  6. Step 6: Final answer
    x = 22,961,314.65

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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.