Home / 13,768,690.41-19,000,812.03-7,657,118.91

Finding the Fourth Proportional to 13,768,690.41, 19,000,812.03 and 7,657,118.91

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Solution

The fourth proportional to 13,768,690.41, 19,000,812.03 and 7,657,118.91 is: 10,566,834.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,768,690.41 : 19,000,812.03 = 7,657,118.91 : x
  2. Step 2: Convert to fraction form
    13,768,690.41/19,000,812.03 = 7,657,118.91/x
  3. Step 3: Cross multiply
    13,768,690.41x = 19,000,812.03 × 7,657,118.91
  4. Step 4: Simplify right side
    13,768,690.41x = 145,491,477,100,268.50
  5. Step 5: Solve for x
    x = 145,491,477,100,268.50/13,768,690.41
  6. Step 6: Final answer
    x = 10,566,834.81

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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.