Home / 12,857,047.39-17,742,325.71-7,055,679.97

Finding the Fourth Proportional to 12,857,047.39, 17,742,325.71 and 7,055,679.97

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Solution

The fourth proportional to 12,857,047.39, 17,742,325.71 and 7,055,679.97 is: 9,736,619.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,857,047.39 : 17,742,325.71 = 7,055,679.97 : x
  2. Step 2: Convert to fraction form
    12,857,047.39/17,742,325.71 = 7,055,679.97/x
  3. Step 3: Cross multiply
    12,857,047.39x = 17,742,325.71 × 7,055,679.97
  4. Step 4: Simplify right side
    12,857,047.39x = 125,184,172,133,263.03
  5. Step 5: Solve for x
    x = 125,184,172,133,263.03/12,857,047.39
  6. Step 6: Final answer
    x = 9,736,619.02

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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.