Home / 14,069,817.72-19,416,339.90-7,631,289.72

Finding the Fourth Proportional to 14,069,817.72, 19,416,339.90 and 7,631,289.72

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Solution

The fourth proportional to 14,069,817.72, 19,416,339.90 and 7,631,289.72 is: 10,531,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,069,817.72 : 19,416,339.90 = 7,631,289.72 : x
  2. Step 2: Convert to fraction form
    14,069,817.72/19,416,339.90 = 7,631,289.72/x
  3. Step 3: Cross multiply
    14,069,817.72x = 19,416,339.90 × 7,631,289.72
  4. Step 4: Simplify right side
    14,069,817.72x = 148,171,715,078,895.81
  5. Step 5: Solve for x
    x = 148,171,715,078,895.81/14,069,817.72
  6. Step 6: Final answer
    x = 10,531,175.17

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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.