Home / 13,178,570.14-19,780,638.09-6,359,941.90

Finding the Fourth Proportional to 13,178,570.14, 19,780,638.09 and 6,359,941.90

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Solution

The fourth proportional to 13,178,570.14, 19,780,638.09 and 6,359,941.90 is: 9,546,081.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178,570.14 : 19,780,638.09 = 6,359,941.90 : x
  2. Step 2: Convert to fraction form
    13,178,570.14/19,780,638.09 = 6,359,941.90/x
  3. Step 3: Cross multiply
    13,178,570.14x = 19,780,638.09 × 6,359,941.90
  4. Step 4: Simplify right side
    13,178,570.14x = 125,803,708,997,326.98
  5. Step 5: Solve for x
    x = 125,803,708,997,326.98/13,178,570.14
  6. Step 6: Final answer
    x = 9,546,081.83

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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.