Home / 12,676,622.40-17,494,134.93-7,169,889.51

Finding the Fourth Proportional to 12,676,622.40, 17,494,134.93 and 7,169,889.51

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Solution

The fourth proportional to 12,676,622.40, 17,494,134.93 and 7,169,889.51 is: 9,894,671.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,676,622.40 : 17,494,134.93 = 7,169,889.51 : x
  2. Step 2: Convert to fraction form
    12,676,622.40/17,494,134.93 = 7,169,889.51/x
  3. Step 3: Cross multiply
    12,676,622.40x = 17,494,134.93 × 7,169,889.51
  4. Step 4: Simplify right side
    12,676,622.40x = 125,431,014,521,131.58
  5. Step 5: Solve for x
    x = 125,431,014,521,131.58/12,676,622.40
  6. Step 6: Final answer
    x = 9,894,671.51

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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.