Home / 19,702,410-27,189,068.28-11,000,730.72

Finding the Fourth Proportional to 19,702,410, 27,189,068.28 and 11,000,730.72

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Solution

The fourth proportional to 19,702,410, 27,189,068.28 and 11,000,730.72 is: 15,180,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,702,410 : 27,189,068.28 = 11,000,730.72 : x
  2. Step 2: Convert to fraction form
    19,702,410/27,189,068.28 = 11,000,730.72/x
  3. Step 3: Cross multiply
    19,702,410x = 27,189,068.28 × 11,000,730.72
  4. Step 4: Simplify right side
    19,702,410x = 299,099,618,675,973.56
  5. Step 5: Solve for x
    x = 299,099,618,675,973.56/19,702,410
  6. Step 6: Final answer
    x = 15,180,864.61

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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.