Home / 28,706,880.87-39,616,452.26-15,654,853.93

Finding the Fourth Proportional to 28,706,880.87, 39,616,452.26 and 15,654,853.93

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Solution

The fourth proportional to 28,706,880.87, 39,616,452.26 and 15,654,853.93 is: 21,604,220.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,706,880.87 : 39,616,452.26 = 15,654,853.93 : x
  2. Step 2: Convert to fraction form
    28,706,880.87/39,616,452.26 = 15,654,853.93/x
  3. Step 3: Cross multiply
    28,706,880.87x = 39,616,452.26 × 15,654,853.93
  4. Step 4: Simplify right side
    28,706,880.87x = 620,189,773,276,844.12
  5. Step 5: Solve for x
    x = 620,189,773,276,844.12/28,706,880.87
  6. Step 6: Final answer
    x = 21,604,220.12

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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.