Home / 31,110,800.22-42,926,494.50-17,877,421.08

Finding the Fourth Proportional to 31,110,800.22, 42,926,494.50 and 17,877,421.08

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Solution

The fourth proportional to 31,110,800.22, 42,926,494.50 and 17,877,421.08 is: 24,667,157.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,110,800.22 : 42,926,494.50 = 17,877,421.08 : x
  2. Step 2: Convert to fraction form
    31,110,800.22/42,926,494.50 = 17,877,421.08/x
  3. Step 3: Cross multiply
    31,110,800.22x = 42,926,494.50 × 17,877,421.08
  4. Step 4: Simplify right side
    31,110,800.22x = 767,415,017,664,804
  5. Step 5: Solve for x
    x = 767,415,017,664,804/31,110,800.22
  6. Step 6: Final answer
    x = 24,667,157.78

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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.