Home / 14,235,818.21-19,645,331.31-7,709,298.32

Finding the Fourth Proportional to 14,235,818.21, 19,645,331.31 and 7,709,298.32

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Solution

The fourth proportional to 14,235,818.21, 19,645,331.31 and 7,709,298.32 is: 10,638,778.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235,818.21 : 19,645,331.31 = 7,709,298.32 : x
  2. Step 2: Convert to fraction form
    14,235,818.21/19,645,331.31 = 7,709,298.32/x
  3. Step 3: Cross multiply
    14,235,818.21x = 19,645,331.31 × 7,709,298.32
  4. Step 4: Simplify right side
    14,235,818.21x = 151,451,719,664,026.41
  5. Step 5: Solve for x
    x = 151,451,719,664,026.41/14,235,818.21
  6. Step 6: Final answer
    x = 10,638,778.71

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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.