Home / 13,308,971.60-19,963,392.60-5,216,229.20

Finding the Fourth Proportional to 13,308,971.60, 19,963,392.60 and 5,216,229.20

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Solution

The fourth proportional to 13,308,971.60, 19,963,392.60 and 5,216,229.20 is: 7,824,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308,971.60 : 19,963,392.60 = 5,216,229.20 : x
  2. Step 2: Convert to fraction form
    13,308,971.60/19,963,392.60 = 5,216,229.20/x
  3. Step 3: Cross multiply
    13,308,971.60x = 19,963,392.60 × 5,216,229.20
  4. Step 4: Simplify right side
    13,308,971.60x = 104,133,631,411,183.94
  5. Step 5: Solve for x
    x = 104,133,631,411,183.94/13,308,971.60
  6. Step 6: Final answer
    x = 7,824,318.40

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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.