Home / 14,500,859.74-20,011,699.98-7,974,994.30

Finding the Fourth Proportional to 14,500,859.74, 20,011,699.98 and 7,974,994.30

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Solution

The fourth proportional to 14,500,859.74, 20,011,699.98 and 7,974,994.30 is: 11,005,774.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500,859.74 : 20,011,699.98 = 7,974,994.30 : x
  2. Step 2: Convert to fraction form
    14,500,859.74/20,011,699.98 = 7,974,994.30/x
  3. Step 3: Cross multiply
    14,500,859.74x = 20,011,699.98 × 7,974,994.30
  4. Step 4: Simplify right side
    14,500,859.74x = 159,593,193,273,810.12
  5. Step 5: Solve for x
    x = 159,593,193,273,810.12/14,500,859.74
  6. Step 6: Final answer
    x = 11,005,774.56

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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.