Home / 14,500,859.49-20,011,699.62-7,974,994.05

Finding the Fourth Proportional to 14,500,859.49, 20,011,699.62 and 7,974,994.05

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Solution

The fourth proportional to 14,500,859.49, 20,011,699.62 and 7,974,994.05 is: 11,005,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500,859.49 : 20,011,699.62 = 7,974,994.05 : x
  2. Step 2: Convert to fraction form
    14,500,859.49/20,011,699.62 = 7,974,994.05/x
  3. Step 3: Cross multiply
    14,500,859.49x = 20,011,699.62 × 7,974,994.05
  4. Step 4: Simplify right side
    14,500,859.49x = 159,593,185,399,887.25
  5. Step 5: Solve for x
    x = 159,593,185,399,887.25/14,500,859.49
  6. Step 6: Final answer
    x = 11,005,774.21

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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.