Home / 14,639,961.60-20,185,188.12-11,878,830.36

Finding the Fourth Proportional to 14,639,961.60, 20,185,188.12 and 11,878,830.36

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Solution

The fourth proportional to 14,639,961.60, 20,185,188.12 and 11,878,830.36 is: 16,378,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639,961.60 : 20,185,188.12 = 11,878,830.36 : x
  2. Step 2: Convert to fraction form
    14,639,961.60/20,185,188.12 = 11,878,830.36/x
  3. Step 3: Cross multiply
    14,639,961.60x = 20,185,188.12 × 11,878,830.36
  4. Step 4: Simplify right side
    14,639,961.60x = 239,776,425,462,167.31
  5. Step 5: Solve for x
    x = 239,776,425,462,167.31/14,639,961.60
  6. Step 6: Final answer
    x = 16,378,214.10

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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.