Home / 31,776,140.84-43,849,783.15-18,024,809.72

Finding the Fourth Proportional to 31,776,140.84, 43,849,783.15 and 18,024,809.72

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Solution

The fourth proportional to 31,776,140.84, 43,849,783.15 and 18,024,809.72 is: 24,873,504.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,776,140.84 : 43,849,783.15 = 18,024,809.72 : x
  2. Step 2: Convert to fraction form
    31,776,140.84/43,849,783.15 = 18,024,809.72/x
  3. Step 3: Cross multiply
    31,776,140.84x = 43,849,783.15 × 18,024,809.72
  4. Step 4: Simplify right side
    31,776,140.84x = 790,383,997,277,701.25
  5. Step 5: Solve for x
    x = 790,383,997,277,701.25/31,776,140.84
  6. Step 6: Final answer
    x = 24,873,504.98

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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.