Home / 13,156,728-19,736,445.44-4,966,269.20

Finding the Fourth Proportional to 13,156,728, 19,736,445.44 and 4,966,269.20

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Solution

The fourth proportional to 13,156,728, 19,736,445.44 and 4,966,269.20 is: 7,449,914.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156,728 : 19,736,445.44 = 4,966,269.20 : x
  2. Step 2: Convert to fraction form
    13,156,728/19,736,445.44 = 4,966,269.20/x
  3. Step 3: Cross multiply
    13,156,728x = 19,736,445.44 × 4,966,269.20
  4. Step 4: Simplify right side
    13,156,728x = 98,016,501,106,152.45
  5. Step 5: Solve for x
    x = 98,016,501,106,152.45/13,156,728
  6. Step 6: Final answer
    x = 7,449,914.68

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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.