Home / 13,142,967.54-19,716,319.17-4,045,821.90

Finding the Fourth Proportional to 13,142,967.54, 19,716,319.17 and 4,045,821.90

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Solution

The fourth proportional to 13,142,967.54, 19,716,319.17 and 4,045,821.90 is: 6,069,307.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142,967.54 : 19,716,319.17 = 4,045,821.90 : x
  2. Step 2: Convert to fraction form
    13,142,967.54/19,716,319.17 = 4,045,821.90/x
  3. Step 3: Cross multiply
    13,142,967.54x = 19,716,319.17 × 4,045,821.90
  4. Step 4: Simplify right side
    13,142,967.54x = 79,768,715,885,375.83
  5. Step 5: Solve for x
    x = 79,768,715,885,375.83/13,142,967.54
  6. Step 6: Final answer
    x = 6,069,307.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.