Home / 13,311,917.10-19,967,875.65-11,877,026.40

Finding the Fourth Proportional to 13,311,917.10, 19,967,875.65 and 11,877,026.40

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Solution

The fourth proportional to 13,311,917.10, 19,967,875.65 and 11,877,026.40 is: 17,815,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311,917.10 : 19,967,875.65 = 11,877,026.40 : x
  2. Step 2: Convert to fraction form
    13,311,917.10/19,967,875.65 = 11,877,026.40/x
  3. Step 3: Cross multiply
    13,311,917.10x = 19,967,875.65 × 11,877,026.40
  4. Step 4: Simplify right side
    13,311,917.10x = 237,158,986,246,967.16
  5. Step 5: Solve for x
    x = 237,158,986,246,967.16/13,311,917.10
  6. Step 6: Final answer
    x = 17,815,539.60

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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.