Home / 9,233,129.54-12,742,378.43-5,103,071.78

Finding the Fourth Proportional to 9,233,129.54, 12,742,378.43 and 5,103,071.78

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Solution

The fourth proportional to 9,233,129.54, 12,742,378.43 and 5,103,071.78 is: 7,042,603.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,233,129.54 : 12,742,378.43 = 5,103,071.78 : x
  2. Step 2: Convert to fraction form
    9,233,129.54/12,742,378.43 = 5,103,071.78/x
  3. Step 3: Cross multiply
    9,233,129.54x = 12,742,378.43 × 5,103,071.78
  4. Step 4: Simplify right side
    9,233,129.54x = 65,025,271,686,986.46
  5. Step 5: Solve for x
    x = 65,025,271,686,986.46/9,233,129.54
  6. Step 6: Final answer
    x = 7,042,603.64

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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.