Home / 14,339,958.90-21,509,938.35-12,772,317.30

Finding the Fourth Proportional to 14,339,958.90, 21,509,938.35 and 12,772,317.30

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Solution

The fourth proportional to 14,339,958.90, 21,509,938.35 and 12,772,317.30 is: 19,158,475.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,958.90 : 21,509,938.35 = 12,772,317.30 : x
  2. Step 2: Convert to fraction form
    14,339,958.90/21,509,938.35 = 12,772,317.30/x
  3. Step 3: Cross multiply
    14,339,958.90x = 21,509,938.35 × 12,772,317.30
  4. Step 4: Simplify right side
    14,339,958.90x = 274,731,757,709,638.50
  5. Step 5: Solve for x
    x = 274,731,757,709,638.50/14,339,958.90
  6. Step 6: Final answer
    x = 19,158,475.95

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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.