Home / 30,571,857.44-42,190,172.16-17,521,618.40

Finding the Fourth Proportional to 30,571,857.44, 42,190,172.16 and 17,521,618.40

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Solution

The fourth proportional to 30,571,857.44, 42,190,172.16 and 17,521,618.40 is: 24,180,411.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,571,857.44 : 42,190,172.16 = 17,521,618.40 : x
  2. Step 2: Convert to fraction form
    30,571,857.44/42,190,172.16 = 17,521,618.40/x
  3. Step 3: Cross multiply
    30,571,857.44x = 42,190,172.16 × 17,521,618.40
  4. Step 4: Simplify right side
    30,571,857.44x = 739,240,096,817,823.62
  5. Step 5: Solve for x
    x = 739,240,096,817,823.62/30,571,857.44
  6. Step 6: Final answer
    x = 24,180,411.62

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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.