Home / 15,243,816.30-21,007,394.30-14,963,628.80

Finding the Fourth Proportional to 15,243,816.30, 21,007,394.30 and 14,963,628.80

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Solution

The fourth proportional to 15,243,816.30, 21,007,394.30 and 14,963,628.80 is: 20,621,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,243,816.30 : 21,007,394.30 = 14,963,628.80 : x
  2. Step 2: Convert to fraction form
    15,243,816.30/21,007,394.30 = 14,963,628.80/x
  3. Step 3: Cross multiply
    15,243,816.30x = 21,007,394.30 × 14,963,628.80
  4. Step 4: Simplify right side
    15,243,816.30x = 314,346,850,180,580.75
  5. Step 5: Solve for x
    x = 314,346,850,180,580.75/15,243,816.30
  6. Step 6: Final answer
    x = 20,621,269.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.