Home / 12,940,983.90-19,411,475.85-12,773,022.30

Finding the Fourth Proportional to 12,940,983.90, 19,411,475.85 and 12,773,022.30

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Solution

The fourth proportional to 12,940,983.90, 19,411,475.85 and 12,773,022.30 is: 19,159,533.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940,983.90 : 19,411,475.85 = 12,773,022.30 : x
  2. Step 2: Convert to fraction form
    12,940,983.90/19,411,475.85 = 12,773,022.30/x
  3. Step 3: Cross multiply
    12,940,983.90x = 19,411,475.85 × 12,773,022.30
  4. Step 4: Simplify right side
    12,940,983.90x = 247,943,213,907,961.50
  5. Step 5: Solve for x
    x = 247,943,213,907,961.50/12,940,983.90
  6. Step 6: Final answer
    x = 19,159,533.45

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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.