Home / 12,961,195.01-17,886,598.67-7,159,855.13

Finding the Fourth Proportional to 12,961,195.01, 17,886,598.67 and 7,159,855.13

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Solution

The fourth proportional to 12,961,195.01, 17,886,598.67 and 7,159,855.13 is: 9,880,682.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961,195.01 : 17,886,598.67 = 7,159,855.13 : x
  2. Step 2: Convert to fraction form
    12,961,195.01/17,886,598.67 = 7,159,855.13/x
  3. Step 3: Cross multiply
    12,961,195.01x = 17,886,598.67 × 7,159,855.13
  4. Step 4: Simplify right side
    12,961,195.01x = 128,065,455,245,650.69
  5. Step 5: Solve for x
    x = 128,065,455,245,650.69/12,961,195.01
  6. Step 6: Final answer
    x = 9,880,682.70

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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.