Home / 18,693,320-25,796,782.88-10,108,616

Finding the Fourth Proportional to 18,693,320, 25,796,782.88 and 10,108,616

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Solution

The fourth proportional to 18,693,320, 25,796,782.88 and 10,108,616 is: 13,949,890.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693,320 : 25,796,782.88 = 10,108,616 : x
  2. Step 2: Convert to fraction form
    18,693,320/25,796,782.88 = 10,108,616/x
  3. Step 3: Cross multiply
    18,693,320x = 25,796,782.88 × 10,108,616
  4. Step 4: Simplify right side
    18,693,320x = 260,769,772,169,294.06
  5. Step 5: Solve for x
    x = 260,769,772,169,294.06/18,693,320
  6. Step 6: Final answer
    x = 13,949,890.77

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1.5x scale

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.