Home / 14,020,112.70-21,030,169.05-8,634,843.90

Finding the Fourth Proportional to 14,020,112.70, 21,030,169.05 and 8,634,843.90

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Solution

The fourth proportional to 14,020,112.70, 21,030,169.05 and 8,634,843.90 is: 12,952,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020,112.70 : 21,030,169.05 = 8,634,843.90 : x
  2. Step 2: Convert to fraction form
    14,020,112.70/21,030,169.05 = 8,634,843.90/x
  3. Step 3: Cross multiply
    14,020,112.70x = 21,030,169.05 × 8,634,843.90
  4. Step 4: Simplify right side
    14,020,112.70x = 181,592,226,937,361.31
  5. Step 5: Solve for x
    x = 181,592,226,937,361.31/14,020,112.70
  6. Step 6: Final answer
    x = 12,952,265.85

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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.