Home / 22,562,642.61-31,138,373.70-12,774,811.59

Finding the Fourth Proportional to 22,562,642.61, 31,138,373.70 and 12,774,811.59

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Solution

The fourth proportional to 22,562,642.61, 31,138,373.70 and 12,774,811.59 is: 17,630,330.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,562,642.61 : 31,138,373.70 = 12,774,811.59 : x
  2. Step 2: Convert to fraction form
    22,562,642.61/31,138,373.70 = 12,774,811.59/x
  3. Step 3: Cross multiply
    22,562,642.61x = 31,138,373.70 × 12,774,811.59
  4. Step 4: Simplify right side
    22,562,642.61x = 397,786,857,236,511.19
  5. Step 5: Solve for x
    x = 397,786,857,236,511.19/22,562,642.61
  6. Step 6: Final answer
    x = 17,630,330.99

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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.