Home / 22,765,973.86-31,417,137.93-12,311,989.96

Finding the Fourth Proportional to 22,765,973.86, 31,417,137.93 and 12,311,989.96

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Solution

The fourth proportional to 22,765,973.86, 31,417,137.93 and 12,311,989.96 is: 16,990,596.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,765,973.86 : 31,417,137.93 = 12,311,989.96 : x
  2. Step 2: Convert to fraction form
    22,765,973.86/31,417,137.93 = 12,311,989.96/x
  3. Step 3: Cross multiply
    22,765,973.86x = 31,417,137.93 × 12,311,989.96
  4. Step 4: Simplify right side
    22,765,973.86x = 386,807,486,766,095.19
  5. Step 5: Solve for x
    x = 386,807,486,766,095.19/22,765,973.86
  6. Step 6: Final answer
    x = 16,990,596.98

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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.