Home / 13,802,981.66-19,048,190.01-8,005,200.74

Finding the Fourth Proportional to 13,802,981.66, 19,048,190.01 and 8,005,200.74

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Solution

The fourth proportional to 13,802,981.66, 19,048,190.01 and 8,005,200.74 is: 11,047,220.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802,981.66 : 19,048,190.01 = 8,005,200.74 : x
  2. Step 2: Convert to fraction form
    13,802,981.66/19,048,190.01 = 8,005,200.74/x
  3. Step 3: Cross multiply
    13,802,981.66x = 19,048,190.01 × 8,005,200.74
  4. Step 4: Simplify right side
    13,802,981.66x = 152,484,584,763,712.62
  5. Step 5: Solve for x
    x = 152,484,584,763,712.62/13,802,981.66
  6. Step 6: Final answer
    x = 11,047,220.70

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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.