Home / 13,824,005.20-20,736,007.80-10,464,773.20

Finding the Fourth Proportional to 13,824,005.20, 20,736,007.80 and 10,464,773.20

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Solution

The fourth proportional to 13,824,005.20, 20,736,007.80 and 10,464,773.20 is: 15,697,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,005.20 : 20,736,007.80 = 10,464,773.20 : x
  2. Step 2: Convert to fraction form
    13,824,005.20/20,736,007.80 = 10,464,773.20/x
  3. Step 3: Cross multiply
    13,824,005.20x = 20,736,007.80 × 10,464,773.20
  4. Step 4: Simplify right side
    13,824,005.20x = 216,997,618,700,430.94
  5. Step 5: Solve for x
    x = 216,997,618,700,430.94/13,824,005.20
  6. Step 6: Final answer
    x = 15,697,159.80

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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.