Home / 13,558,091.04-18,715,891.17-9,153,783.01

Finding the Fourth Proportional to 13,558,091.04, 18,715,891.17 and 9,153,783.01

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Solution

The fourth proportional to 13,558,091.04, 18,715,891.17 and 9,153,783.01 is: 12,636,086.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558,091.04 : 18,715,891.17 = 9,153,783.01 : x
  2. Step 2: Convert to fraction form
    13,558,091.04/18,715,891.17 = 9,153,783.01/x
  3. Step 3: Cross multiply
    13,558,091.04x = 18,715,891.17 × 9,153,783.01
  4. Step 4: Simplify right side
    13,558,091.04x = 171,321,206,563,186.09
  5. Step 5: Solve for x
    x = 171,321,206,563,186.09/13,558,091.04
  6. Step 6: Final answer
    x = 12,636,086.17

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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.