Home / 9,515,361.34-13,131,210.95-5,164,447.15

Finding the Fourth Proportional to 9,515,361.34, 13,131,210.95 and 5,164,447.15

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Solution

The fourth proportional to 9,515,361.34, 13,131,210.95 and 5,164,447.15 is: 7,126,943.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,361.34 : 13,131,210.95 = 5,164,447.15 : x
  2. Step 2: Convert to fraction form
    9,515,361.34/13,131,210.95 = 5,164,447.15/x
  3. Step 3: Cross multiply
    9,515,361.34x = 13,131,210.95 × 5,164,447.15
  4. Step 4: Simplify right side
    9,515,361.34x = 67,815,444,966,776.30
  5. Step 5: Solve for x
    x = 67,815,444,966,776.30/9,515,361.34
  6. Step 6: Final answer
    x = 7,126,943.74

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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.