Home / 12,219,977.10-18,341,775.45-7,437,008.10

Finding the Fourth Proportional to 12,219,977.10, 18,341,775.45 and 7,437,008.10

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Solution

The fourth proportional to 12,219,977.10, 18,341,775.45 and 7,437,008.10 is: 11,162,699.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,977.10 : 18,341,775.45 = 7,437,008.10 : x
  2. Step 2: Convert to fraction form
    12,219,977.10/18,341,775.45 = 7,437,008.10/x
  3. Step 3: Cross multiply
    12,219,977.10x = 18,341,775.45 × 7,437,008.10
  4. Step 4: Simplify right side
    12,219,977.10x = 136,407,932,590,031.12
  5. Step 5: Solve for x
    x = 136,407,932,590,031.12/12,219,977.10
  6. Step 6: Final answer
    x = 11,162,699.53

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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.