Home / 14,666,868.29-20,238,636.65-8,140,772.81

Finding the Fourth Proportional to 14,666,868.29, 20,238,636.65 and 8,140,772.81

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Solution

The fourth proportional to 14,666,868.29, 20,238,636.65 and 8,140,772.81 is: 11,233,355.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666,868.29 : 20,238,636.65 = 8,140,772.81 : x
  2. Step 2: Convert to fraction form
    14,666,868.29/20,238,636.65 = 8,140,772.81/x
  3. Step 3: Cross multiply
    14,666,868.29x = 20,238,636.65 × 8,140,772.81
  4. Step 4: Simplify right side
    14,666,868.29x = 164,758,142,809,892.44
  5. Step 5: Solve for x
    x = 164,758,142,809,892.44/14,666,868.29
  6. Step 6: Final answer
    x = 11,233,355.32

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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.