Home / 13,909,641.45-20,849,736.38-4,678,826.37

Finding the Fourth Proportional to 13,909,641.45, 20,849,736.38 and 4,678,826.37

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Solution

The fourth proportional to 13,909,641.45, 20,849,736.38 and 4,678,826.37 is: 7,013,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909,641.45 : 20,849,736.38 = 4,678,826.37 : x
  2. Step 2: Convert to fraction form
    13,909,641.45/20,849,736.38 = 4,678,826.37/x
  3. Step 3: Cross multiply
    13,909,641.45x = 20,849,736.38 × 4,678,826.37
  4. Step 4: Simplify right side
    13,909,641.45x = 97,552,296,358,898.22
  5. Step 5: Solve for x
    x = 97,552,296,358,898.22/13,909,641.45
  6. Step 6: Final answer
    x = 7,013,286.20

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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.