Home / 14,278,220.37-21,399,134.72-6,688,455.57

Finding the Fourth Proportional to 14,278,220.37, 21,399,134.72 and 6,688,455.57

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Solution

The fourth proportional to 14,278,220.37, 21,399,134.72 and 6,688,455.57 is: 10,024,159.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278,220.37 : 21,399,134.72 = 6,688,455.57 : x
  2. Step 2: Convert to fraction form
    14,278,220.37/21,399,134.72 = 6,688,455.57/x
  3. Step 3: Cross multiply
    14,278,220.37x = 21,399,134.72 × 6,688,455.57
  4. Step 4: Simplify right side
    14,278,220.37x = 143,127,161,777,722.12
  5. Step 5: Solve for x
    x = 143,127,161,777,722.12/14,278,220.37
  6. Step 6: Final answer
    x = 10,024,159.74

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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.