Home / 11,346,748.70-17,020,123.05-4,619,990.30

Finding the Fourth Proportional to 11,346,748.70, 17,020,123.05 and 4,619,990.30

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Solution

The fourth proportional to 11,346,748.70, 17,020,123.05 and 4,619,990.30 is: 6,929,985.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346,748.70 : 17,020,123.05 = 4,619,990.30 : x
  2. Step 2: Convert to fraction form
    11,346,748.70/17,020,123.05 = 4,619,990.30/x
  3. Step 3: Cross multiply
    11,346,748.70x = 17,020,123.05 × 4,619,990.30
  4. Step 4: Simplify right side
    11,346,748.70x = 78,632,803,395,806.42
  5. Step 5: Solve for x
    x = 78,632,803,395,806.42/11,346,748.70
  6. Step 6: Final answer
    x = 6,929,985.45

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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.