Home / 13,260,656.08-18,288,787.89-7,822,899.28

Finding the Fourth Proportional to 13,260,656.08, 18,288,787.89 and 7,822,899.28

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Solution

The fourth proportional to 13,260,656.08, 18,288,787.89 and 7,822,899.28 is: 10,789,160.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260,656.08 : 18,288,787.89 = 7,822,899.28 : x
  2. Step 2: Convert to fraction form
    13,260,656.08/18,288,787.89 = 7,822,899.28/x
  3. Step 3: Cross multiply
    13,260,656.08x = 18,288,787.89 × 7,822,899.28
  4. Step 4: Simplify right side
    13,260,656.08x = 143,071,345,624,946.75
  5. Step 5: Solve for x
    x = 143,071,345,624,946.75/13,260,656.08
  6. Step 6: Final answer
    x = 10,789,160.41

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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.