Home / 28,201,609.35-38,916,272.31-15,641,478.81

Finding the Fourth Proportional to 28,201,609.35, 38,916,272.31 and 15,641,478.81

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Solution

The fourth proportional to 28,201,609.35, 38,916,272.31 and 15,641,478.81 is: 21,584,160.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,201,609.35 : 38,916,272.31 = 15,641,478.81 : x
  2. Step 2: Convert to fraction form
    28,201,609.35/38,916,272.31 = 15,641,478.81/x
  3. Step 3: Cross multiply
    28,201,609.35x = 38,916,272.31 × 15,641,478.81
  4. Step 4: Simplify right side
    28,201,609.35x = 608,708,048,642,399.25
  5. Step 5: Solve for x
    x = 608,708,048,642,399.25/28,201,609.35
  6. Step 6: Final answer
    x = 21,584,160.01

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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.