Home / 13,879,885.56-19,154,840.76-7,684,932.30

Finding the Fourth Proportional to 13,879,885.56, 19,154,840.76 and 7,684,932.30

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Solution

The fourth proportional to 13,879,885.56, 19,154,840.76 and 7,684,932.30 is: 10,605,538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879,885.56 : 19,154,840.76 = 7,684,932.30 : x
  2. Step 2: Convert to fraction form
    13,879,885.56/19,154,840.76 = 7,684,932.30/x
  3. Step 3: Cross multiply
    13,879,885.56x = 19,154,840.76 × 7,684,932.30
  4. Step 4: Simplify right side
    13,879,885.56x = 147,203,654,457,880.56
  5. Step 5: Solve for x
    x = 147,203,654,457,880.56/13,879,885.56
  6. Step 6: Final answer
    x = 10,605,538.05

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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.