Home / 14,666,867.79-20,238,635.95-8,140,772.31

Finding the Fourth Proportional to 14,666,867.79, 20,238,635.95 and 8,140,772.31

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Solution

The fourth proportional to 14,666,867.79, 20,238,635.95 and 8,140,772.31 is: 11,233,354.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666,867.79 : 20,238,635.95 = 8,140,772.31 : x
  2. Step 2: Convert to fraction form
    14,666,867.79/20,238,635.95 = 8,140,772.31/x
  3. Step 3: Cross multiply
    14,666,867.79x = 20,238,635.95 × 8,140,772.31
  4. Step 4: Simplify right side
    14,666,867.79x = 164,758,127,133,930.53
  5. Step 5: Solve for x
    x = 164,758,127,133,930.53/14,666,867.79
  6. Step 6: Final answer
    x = 11,233,354.63

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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.