Home / 13,284,051.40-19,926,077.10-12,339,267.40

Finding the Fourth Proportional to 13,284,051.40, 19,926,077.10 and 12,339,267.40

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Solution

The fourth proportional to 13,284,051.40, 19,926,077.10 and 12,339,267.40 is: 18,508,901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284,051.40 : 19,926,077.10 = 12,339,267.40 : x
  2. Step 2: Convert to fraction form
    13,284,051.40/19,926,077.10 = 12,339,267.40/x
  3. Step 3: Cross multiply
    13,284,051.40x = 19,926,077.10 × 12,339,267.40
  4. Step 4: Simplify right side
    13,284,051.40x = 245,873,193,569,916.56
  5. Step 5: Solve for x
    x = 245,873,193,569,916.56/13,284,051.40
  6. Step 6: Final answer
    x = 18,508,901.10

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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.