Home / 13,045,532.52-19,561,605.06-6,900,830.70

Finding the Fourth Proportional to 13,045,532.52, 19,561,605.06 and 6,900,830.70

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Solution

The fourth proportional to 13,045,532.52, 19,561,605.06 and 6,900,830.70 is: 10,347,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045,532.52 : 19,561,605.06 = 6,900,830.70 : x
  2. Step 2: Convert to fraction form
    13,045,532.52/19,561,605.06 = 6,900,830.70/x
  3. Step 3: Cross multiply
    13,045,532.52x = 19,561,605.06 × 6,900,830.70
  4. Step 4: Simplify right side
    13,045,532.52x = 134,991,324,739,323.34
  5. Step 5: Solve for x
    x = 134,991,324,739,323.34/13,045,532.52
  6. Step 6: Final answer
    x = 10,347,705.20

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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.