Home / 28,812,709.14-43,199,865.60-15,864,957

Finding the Fourth Proportional to 28,812,709.14, 43,199,865.60 and 15,864,957

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Solution

The fourth proportional to 28,812,709.14, 43,199,865.60 and 15,864,957 is: 23,786,864.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,812,709.14 : 43,199,865.60 = 15,864,957 : x
  2. Step 2: Convert to fraction form
    28,812,709.14/43,199,865.60 = 15,864,957/x
  3. Step 3: Cross multiply
    28,812,709.14x = 43,199,865.60 × 15,864,957
  4. Step 4: Simplify right side
    28,812,709.14x = 685,364,010,149,779.25
  5. Step 5: Solve for x
    x = 685,364,010,149,779.25/28,812,709.14
  6. Step 6: Final answer
    x = 23,786,864.57

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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.