Home / 8,615,848.19-11,891,896.61-5,355,125.51

Finding the Fourth Proportional to 8,615,848.19, 11,891,896.61 and 5,355,125.51

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Solution

The fourth proportional to 8,615,848.19, 11,891,896.61 and 5,355,125.51 is: 7,391,332.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,615,848.19 : 11,891,896.61 = 5,355,125.51 : x
  2. Step 2: Convert to fraction form
    8,615,848.19/11,891,896.61 = 5,355,125.51/x
  3. Step 3: Cross multiply
    8,615,848.19x = 11,891,896.61 × 5,355,125.51
  4. Step 4: Simplify right side
    8,615,848.19x = 63,682,598,812,258.41
  5. Step 5: Solve for x
    x = 63,682,598,812,258.41/8,615,848.19
  6. Step 6: Final answer
    x = 7,391,332.51

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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.