Home / 9,642,258.40-13,306,479.92-5,291,749.48

Finding the Fourth Proportional to 9,642,258.40, 13,306,479.92 and 5,291,749.48

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Solution

The fourth proportional to 9,642,258.40, 13,306,479.92 and 5,291,749.48 is: 7,302,703.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642,258.40 : 13,306,479.92 = 5,291,749.48 : x
  2. Step 2: Convert to fraction form
    9,642,258.40/13,306,479.92 = 5,291,749.48/x
  3. Step 3: Cross multiply
    9,642,258.40x = 13,306,479.92 × 5,291,749.48
  4. Step 4: Simplify right side
    9,642,258.40x = 70,414,558,197,290.45
  5. Step 5: Solve for x
    x = 70,414,558,197,290.45/9,642,258.40
  6. Step 6: Final answer
    x = 7,302,703.92

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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.