Home / 14,257,670.15-21,390,343.92-7,337,378.39

Finding the Fourth Proportional to 14,257,670.15, 21,390,343.92 and 7,337,378.39

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Solution

The fourth proportional to 14,257,670.15, 21,390,343.92 and 7,337,378.39 is: 11,008,043.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257,670.15 : 21,390,343.92 = 7,337,378.39 : x
  2. Step 2: Convert to fraction form
    14,257,670.15/21,390,343.92 = 7,337,378.39/x
  3. Step 3: Cross multiply
    14,257,670.15x = 21,390,343.92 × 7,337,378.39
  4. Step 4: Simplify right side
    14,257,670.15x = 156,949,047,126,324.19
  5. Step 5: Solve for x
    x = 156,949,047,126,324.19/14,257,670.15
  6. Step 6: Final answer
    x = 11,008,043.07

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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.