Home / 13,836,509.95-19,088,823.50-8,677,989.31

Finding the Fourth Proportional to 13,836,509.95, 19,088,823.50 and 8,677,989.31

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Solution

The fourth proportional to 13,836,509.95, 19,088,823.50 and 8,677,989.31 is: 11,972,137.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836,509.95 : 19,088,823.50 = 8,677,989.31 : x
  2. Step 2: Convert to fraction form
    13,836,509.95/19,088,823.50 = 8,677,989.31/x
  3. Step 3: Cross multiply
    13,836,509.95x = 19,088,823.50 × 8,677,989.31
  4. Step 4: Simplify right side
    13,836,509.95x = 165,652,606,214,907.22
  5. Step 5: Solve for x
    x = 165,652,606,214,907.22/13,836,509.95
  6. Step 6: Final answer
    x = 11,972,137.98

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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.