Home / 28,135,611.16-38,826,309.30-15,577,225.36

Finding the Fourth Proportional to 28,135,611.16, 38,826,309.30 and 15,577,225.36

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Solution

The fourth proportional to 28,135,611.16, 38,826,309.30 and 15,577,225.36 is: 21,496,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,135,611.16 : 38,826,309.30 = 15,577,225.36 : x
  2. Step 2: Convert to fraction form
    28,135,611.16/38,826,309.30 = 15,577,225.36/x
  3. Step 3: Cross multiply
    28,135,611.16x = 38,826,309.30 × 15,577,225.36
  4. Step 4: Simplify right side
    28,135,611.16x = 604,806,169,863,163.75
  5. Step 5: Solve for x
    x = 604,806,169,863,163.75/28,135,611.16
  6. Step 6: Final answer
    x = 21,496,109.20

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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.