Home / 18,668,043.80-28,002,065.70-5,889,840.20

Finding the Fourth Proportional to 18,668,043.80, 28,002,065.70 and 5,889,840.20

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Solution

The fourth proportional to 18,668,043.80, 28,002,065.70 and 5,889,840.20 is: 8,834,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668,043.80 : 28,002,065.70 = 5,889,840.20 : x
  2. Step 2: Convert to fraction form
    18,668,043.80/28,002,065.70 = 5,889,840.20/x
  3. Step 3: Cross multiply
    18,668,043.80x = 28,002,065.70 × 5,889,840.20
  4. Step 4: Simplify right side
    18,668,043.80x = 164,927,692,242,901.16
  5. Step 5: Solve for x
    x = 164,927,692,242,901.16/18,668,043.80
  6. Step 6: Final answer
    x = 8,834,760.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.