Home / 20,932,030.15-31,399,539.90-5,579,239.40

Finding the Fourth Proportional to 20,932,030.15, 31,399,539.90 and 5,579,239.40

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Solution

The fourth proportional to 20,932,030.15, 31,399,539.90 and 5,579,239.40 is: 8,369,257.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,932,030.15 : 31,399,539.90 = 5,579,239.40 : x
  2. Step 2: Convert to fraction form
    20,932,030.15/31,399,539.90 = 5,579,239.40/x
  3. Step 3: Cross multiply
    20,932,030.15x = 31,399,539.90 × 5,579,239.40
  4. Step 4: Simplify right side
    20,932,030.15x = 175,185,550,282,458.06
  5. Step 5: Solve for x
    x = 175,185,550,282,458.06/20,932,030.15
  6. Step 6: Final answer
    x = 8,369,257.50

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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.