Home / 12,453,077.10-18,687,488.85-7,335,497.10

Finding the Fourth Proportional to 12,453,077.10, 18,687,488.85 and 7,335,497.10

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Solution

The fourth proportional to 12,453,077.10, 18,687,488.85 and 7,335,497.10 is: 11,007,883.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453,077.10 : 18,687,488.85 = 7,335,497.10 : x
  2. Step 2: Convert to fraction form
    12,453,077.10/18,687,488.85 = 7,335,497.10/x
  3. Step 3: Cross multiply
    12,453,077.10x = 18,687,488.85 × 7,335,497.10
  4. Step 4: Simplify right side
    12,453,077.10x = 137,082,020,265,457.34
  5. Step 5: Solve for x
    x = 137,082,020,265,457.34/12,453,077.10
  6. Step 6: Final answer
    x = 11,007,883.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.