Home / 13,658,484.34-20,489,949.96-6,379,223.32

Finding the Fourth Proportional to 13,658,484.34, 20,489,949.96 and 6,379,223.32

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Solution

The fourth proportional to 13,658,484.34, 20,489,949.96 and 6,379,223.32 is: 9,569,873.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,658,484.34 : 20,489,949.96 = 6,379,223.32 : x
  2. Step 2: Convert to fraction form
    13,658,484.34/20,489,949.96 = 6,379,223.32/x
  3. Step 3: Cross multiply
    13,658,484.34x = 20,489,949.96 × 6,379,223.32
  4. Step 4: Simplify right side
    13,658,484.34x = 130,709,966,610,465.08
  5. Step 5: Solve for x
    x = 130,709,966,610,465.08/13,658,484.34
  6. Step 6: Final answer
    x = 9,569,873.45

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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.