Home / 17,095,780.45-25,643,670.68-5,128,516.45

Finding the Fourth Proportional to 17,095,780.45, 25,643,670.68 and 5,128,516.45

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Solution

The fourth proportional to 17,095,780.45, 25,643,670.68 and 5,128,516.45 is: 7,692,774.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,095,780.45 : 25,643,670.68 = 5,128,516.45 : x
  2. Step 2: Convert to fraction form
    17,095,780.45/25,643,670.68 = 5,128,516.45/x
  3. Step 3: Cross multiply
    17,095,780.45x = 25,643,670.68 × 5,128,516.45
  4. Step 4: Simplify right side
    17,095,780.45x = 131,513,986,920,762.69
  5. Step 5: Solve for x
    x = 131,513,986,920,762.69/17,095,780.45
  6. Step 6: Final answer
    x = 7,692,774.68

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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.