Home / 28,528,015.60-39,356,114.11-19,232,189.88

Finding the Fourth Proportional to 28,528,015.60, 39,356,114.11 and 19,232,189.88

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Solution

The fourth proportional to 28,528,015.60, 39,356,114.11 and 19,232,189.88 is: 26,531,963.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,528,015.60 : 39,356,114.11 = 19,232,189.88 : x
  2. Step 2: Convert to fraction form
    28,528,015.60/39,356,114.11 = 19,232,189.88/x
  3. Step 3: Cross multiply
    28,528,015.60x = 39,356,114.11 × 19,232,189.88
  4. Step 4: Simplify right side
    28,528,015.60x = 756,904,259,502,467.12
  5. Step 5: Solve for x
    x = 756,904,259,502,467.12/28,528,015.60
  6. Step 6: Final answer
    x = 26,531,963.18

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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.