Home / 8,018,800.81-11,055,239.91-6,370,417.60

Finding the Fourth Proportional to 8,018,800.81, 11,055,239.91 and 6,370,417.60

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Solution

The fourth proportional to 8,018,800.81, 11,055,239.91 and 6,370,417.60 is: 8,782,671.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018,800.81 : 11,055,239.91 = 6,370,417.60 : x
  2. Step 2: Convert to fraction form
    8,018,800.81/11,055,239.91 = 6,370,417.60/x
  3. Step 3: Cross multiply
    8,018,800.81x = 11,055,239.91 × 6,370,417.60
  4. Step 4: Simplify right side
    8,018,800.81x = 70,426,494,867,248.31
  5. Step 5: Solve for x
    x = 70,426,494,867,248.31/8,018,800.81
  6. Step 6: Final answer
    x = 8,782,671.69

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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.