Home / 18,118,776.77-25,004,946.54-10,385,107.37

Finding the Fourth Proportional to 18,118,776.77, 25,004,946.54 and 10,385,107.37

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Solution

The fourth proportional to 18,118,776.77, 25,004,946.54 and 10,385,107.37 is: 14,332,041.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118,776.77 : 25,004,946.54 = 10,385,107.37 : x
  2. Step 2: Convert to fraction form
    18,118,776.77/25,004,946.54 = 10,385,107.37/x
  3. Step 3: Cross multiply
    18,118,776.77x = 25,004,946.54 × 10,385,107.37
  4. Step 4: Simplify right side
    18,118,776.77x = 259,679,054,473,985.25
  5. Step 5: Solve for x
    x = 259,679,054,473,985.25/18,118,776.77
  6. Step 6: Final answer
    x = 14,332,041.17

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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.