Home / 14,721,378.64-20,314,077.60-10,855,980.88

Finding the Fourth Proportional to 14,721,378.64, 20,314,077.60 and 10,855,980.88

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Solution

The fourth proportional to 14,721,378.64, 20,314,077.60 and 10,855,980.88 is: 14,980,202.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,721,378.64 : 20,314,077.60 = 10,855,980.88 : x
  2. Step 2: Convert to fraction form
    14,721,378.64/20,314,077.60 = 10,855,980.88/x
  3. Step 3: Cross multiply
    14,721,378.64x = 20,314,077.60 × 10,855,980.88
  4. Step 4: Simplify right side
    14,721,378.64x = 220,529,238,020,436.31
  5. Step 5: Solve for x
    x = 220,529,238,020,436.31/14,721,378.64
  6. Step 6: Final answer
    x = 14,980,202.83

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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.