Home / 31,286,885.90-43,175,995.54-17,349,222.89

Finding the Fourth Proportional to 31,286,885.90, 43,175,995.54 and 17,349,222.89

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Solution

The fourth proportional to 31,286,885.90, 43,175,995.54 and 17,349,222.89 is: 23,941,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,286,885.90 : 43,175,995.54 = 17,349,222.89 : x
  2. Step 2: Convert to fraction form
    31,286,885.90/43,175,995.54 = 17,349,222.89/x
  3. Step 3: Cross multiply
    31,286,885.90x = 43,175,995.54 × 17,349,222.89
  4. Step 4: Simplify right side
    31,286,885.90x = 749,069,969,818,479.88
  5. Step 5: Solve for x
    x = 749,069,969,818,479.88/31,286,885.90
  6. Step 6: Final answer
    x = 23,941,979.15

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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.