Home / 12,679,874.34-17,498,226.60-7,247,482.98

Finding the Fourth Proportional to 12,679,874.34, 17,498,226.60 and 7,247,482.98

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Solution

The fourth proportional to 12,679,874.34, 17,498,226.60 and 7,247,482.98 is: 10,001,526.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679,874.34 : 17,498,226.60 = 7,247,482.98 : x
  2. Step 2: Convert to fraction form
    12,679,874.34/17,498,226.60 = 7,247,482.98/x
  3. Step 3: Cross multiply
    12,679,874.34x = 17,498,226.60 × 7,247,482.98
  4. Step 4: Simplify right side
    12,679,874.34x = 126,818,099,463,683.28
  5. Step 5: Solve for x
    x = 126,818,099,463,683.28/12,679,874.34
  6. Step 6: Final answer
    x = 10,001,526.52

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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.