Home / 14,101,776.12-19,453,288.77-9,209,861.72

Finding the Fourth Proportional to 14,101,776.12, 19,453,288.77 and 9,209,861.72

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Solution

The fourth proportional to 14,101,776.12, 19,453,288.77 and 9,209,861.72 is: 12,704,931.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101,776.12 : 19,453,288.77 = 9,209,861.72 : x
  2. Step 2: Convert to fraction form
    14,101,776.12/19,453,288.77 = 9,209,861.72/x
  3. Step 3: Cross multiply
    14,101,776.12x = 19,453,288.77 × 9,209,861.72
  4. Step 4: Simplify right side
    14,101,776.12x = 179,162,099,570,928.91
  5. Step 5: Solve for x
    x = 179,162,099,570,928.91/14,101,776.12
  6. Step 6: Final answer
    x = 12,704,931.50

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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.