Home / 15,016,558.50-20,739,957.93-10,179,264.42

Finding the Fourth Proportional to 15,016,558.50, 20,739,957.93 and 10,179,264.42

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Solution

The fourth proportional to 15,016,558.50, 20,739,957.93 and 10,179,264.42 is: 14,058,981.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016,558.50 : 20,739,957.93 = 10,179,264.42 : x
  2. Step 2: Convert to fraction form
    15,016,558.50/20,739,957.93 = 10,179,264.42/x
  3. Step 3: Cross multiply
    15,016,558.50x = 20,739,957.93 × 10,179,264.42
  4. Step 4: Simplify right side
    15,016,558.50x = 211,117,515,829,145.84
  5. Step 5: Solve for x
    x = 211,117,515,829,145.84/15,016,558.50
  6. Step 6: Final answer
    x = 14,058,981.35

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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.