Home / 22,679,264.72-31,297,901.64-12,888,166.16

Finding the Fourth Proportional to 22,679,264.72, 31,297,901.64 and 12,888,166.16

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Solution

The fourth proportional to 22,679,264.72, 31,297,901.64 and 12,888,166.16 is: 17,785,962.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679,264.72 : 31,297,901.64 = 12,888,166.16 : x
  2. Step 2: Convert to fraction form
    22,679,264.72/31,297,901.64 = 12,888,166.16/x
  3. Step 3: Cross multiply
    22,679,264.72x = 31,297,901.64 × 12,888,166.16
  4. Step 4: Simplify right side
    22,679,264.72x = 403,372,556,795,656.50
  5. Step 5: Solve for x
    x = 403,372,556,795,656.50/22,679,264.72
  6. Step 6: Final answer
    x = 17,785,962.72

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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.