Home / 13,226,529.83-18,254,603.27-8,072,886.20

Finding the Fourth Proportional to 13,226,529.83, 18,254,603.27 and 8,072,886.20

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Solution

The fourth proportional to 13,226,529.83, 18,254,603.27 and 8,072,886.20 is: 11,141,798.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226,529.83 : 18,254,603.27 = 8,072,886.20 : x
  2. Step 2: Convert to fraction form
    13,226,529.83/18,254,603.27 = 8,072,886.20/x
  3. Step 3: Cross multiply
    13,226,529.83x = 18,254,603.27 × 8,072,886.20
  4. Step 4: Simplify right side
    13,226,529.83x = 147,367,334,753,767.09
  5. Step 5: Solve for x
    x = 147,367,334,753,767.09/13,226,529.83
  6. Step 6: Final answer
    x = 11,141,798.85

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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.