Home / 38,365,934.40-57,499,912.80-15,621,134.40

Finding the Fourth Proportional to 38,365,934.40, 57,499,912.80 and 15,621,134.40

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Solution

The fourth proportional to 38,365,934.40, 57,499,912.80 and 15,621,134.40 is: 23,411,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,365,934.40 : 57,499,912.80 = 15,621,134.40 : x
  2. Step 2: Convert to fraction form
    38,365,934.40/57,499,912.80 = 15,621,134.40/x
  3. Step 3: Cross multiply
    38,365,934.40x = 57,499,912.80 × 15,621,134.40
  4. Step 4: Simplify right side
    38,365,934.40x = 898,213,865,837,080.25
  5. Step 5: Solve for x
    x = 898,213,865,837,080.25/38,365,934.40
  6. Step 6: Final answer
    x = 23,411,755.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.