Home / 14,278,228.12-21,399,146.34-6,688,463.32

Finding the Fourth Proportional to 14,278,228.12, 21,399,146.34 and 6,688,463.32

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Solution

The fourth proportional to 14,278,228.12, 21,399,146.34 and 6,688,463.32 is: 10,024,171.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278,228.12 : 21,399,146.34 = 6,688,463.32 : x
  2. Step 2: Convert to fraction form
    14,278,228.12/21,399,146.34 = 6,688,463.32/x
  3. Step 3: Cross multiply
    14,278,228.12x = 21,399,146.34 × 6,688,463.32
  4. Step 4: Simplify right side
    14,278,228.12x = 143,127,405,374,402.25
  5. Step 5: Solve for x
    x = 143,127,405,374,402.25/14,278,228.12
  6. Step 6: Final answer
    x = 10,024,171.36

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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.