Home / 16,578,765.53-22,878,160.05-9,515,521.45

Finding the Fourth Proportional to 16,578,765.53, 22,878,160.05 and 9,515,521.45

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Solution

The fourth proportional to 16,578,765.53, 22,878,160.05 and 9,515,521.45 is: 13,131,111.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,578,765.53 : 22,878,160.05 = 9,515,521.45 : x
  2. Step 2: Convert to fraction form
    16,578,765.53/22,878,160.05 = 9,515,521.45/x
  3. Step 3: Cross multiply
    16,578,765.53x = 22,878,160.05 × 9,515,521.45
  4. Step 4: Simplify right side
    16,578,765.53x = 217,697,622,692,308.06
  5. Step 5: Solve for x
    x = 217,697,622,692,308.06/16,578,765.53
  6. Step 6: Final answer
    x = 13,131,111.74

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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.