Home / 14,012,657.70-21,018,986.55-12,123,089.70

Finding the Fourth Proportional to 14,012,657.70, 21,018,986.55 and 12,123,089.70

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Solution

The fourth proportional to 14,012,657.70, 21,018,986.55 and 12,123,089.70 is: 18,184,634.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012,657.70 : 21,018,986.55 = 12,123,089.70 : x
  2. Step 2: Convert to fraction form
    14,012,657.70/21,018,986.55 = 12,123,089.70/x
  3. Step 3: Cross multiply
    14,012,657.70x = 21,018,986.55 × 12,123,089.70
  4. Step 4: Simplify right side
    14,012,657.70x = 254,815,059,348,743.53
  5. Step 5: Solve for x
    x = 254,815,059,348,743.53/14,012,657.70
  6. Step 6: Final answer
    x = 18,184,634.55

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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.