Home / 13,609,443.24-18,768,415.98-9,932,535.72

Finding the Fourth Proportional to 13,609,443.24, 18,768,415.98 and 9,932,535.72

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Solution

The fourth proportional to 13,609,443.24, 18,768,415.98 and 9,932,535.72 is: 13,697,692.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,443.24 : 18,768,415.98 = 9,932,535.72 : x
  2. Step 2: Convert to fraction form
    13,609,443.24/18,768,415.98 = 9,932,535.72/x
  3. Step 3: Cross multiply
    13,609,443.24x = 18,768,415.98 × 9,932,535.72
  4. Step 4: Simplify right side
    13,609,443.24x = 186,417,962,129,168.81
  5. Step 5: Solve for x
    x = 186,417,962,129,168.81/13,609,443.24
  6. Step 6: Final answer
    x = 13,697,692.02

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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.