Home / 28,126,580.30-42,191,494.51-10,854,870.81

Finding the Fourth Proportional to 28,126,580.30, 42,191,494.51 and 10,854,870.81

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Solution

The fourth proportional to 28,126,580.30, 42,191,494.51 and 10,854,870.81 is: 16,282,932.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,126,580.30 : 42,191,494.51 = 10,854,870.81 : x
  2. Step 2: Convert to fraction form
    28,126,580.30/42,191,494.51 = 10,854,870.81/x
  3. Step 3: Cross multiply
    28,126,580.30x = 42,191,494.51 × 10,854,870.81
  4. Step 4: Simplify right side
    28,126,580.30x = 457,983,222,186,874.25
  5. Step 5: Solve for x
    x = 457,983,222,186,874.25/28,126,580.30
  6. Step 6: Final answer
    x = 16,282,932.99

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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.