Home / 12,009,175.68-18,011,061.96-5,526,031.08

Finding the Fourth Proportional to 12,009,175.68, 18,011,061.96 and 5,526,031.08

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Solution

The fourth proportional to 12,009,175.68, 18,011,061.96 and 5,526,031.08 is: 8,287,803.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009,175.68 : 18,011,061.96 = 5,526,031.08 : x
  2. Step 2: Convert to fraction form
    12,009,175.68/18,011,061.96 = 5,526,031.08/x
  3. Step 3: Cross multiply
    12,009,175.68x = 18,011,061.96 × 5,526,031.08
  4. Step 4: Simplify right side
    12,009,175.68x = 99,529,688,174,765.72
  5. Step 5: Solve for x
    x = 99,529,688,174,765.72/12,009,175.68
  6. Step 6: Final answer
    x = 8,287,803.50

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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.