Home / 13,651,988.52-20,470,060.26-6,463,461.72

Finding the Fourth Proportional to 13,651,988.52, 20,470,060.26 and 6,463,461.72

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Solution

The fourth proportional to 13,651,988.52, 20,470,060.26 and 6,463,461.72 is: 9,691,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,651,988.52 : 20,470,060.26 = 6,463,461.72 : x
  2. Step 2: Convert to fraction form
    13,651,988.52/20,470,060.26 = 6,463,461.72/x
  3. Step 3: Cross multiply
    13,651,988.52x = 20,470,060.26 × 6,463,461.72
  4. Step 4: Simplify right side
    13,651,988.52x = 132,307,450,896,603.25
  5. Step 5: Solve for x
    x = 132,307,450,896,603.25/13,651,988.52
  6. Step 6: Final answer
    x = 9,691,441.70

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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.