Home / 21,576,223.76-32,365,578.36-8,113,168.40

Finding the Fourth Proportional to 21,576,223.76, 32,365,578.36 and 8,113,168.40

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Solution

The fourth proportional to 21,576,223.76, 32,365,578.36 and 8,113,168.40 is: 12,170,219.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,576,223.76 : 32,365,578.36 = 8,113,168.40 : x
  2. Step 2: Convert to fraction form
    21,576,223.76/32,365,578.36 = 8,113,168.40/x
  3. Step 3: Cross multiply
    21,576,223.76x = 32,365,578.36 × 8,113,168.40
  4. Step 4: Simplify right side
    21,576,223.76x = 262,587,387,598,075.84
  5. Step 5: Solve for x
    x = 262,587,387,598,075.84/21,576,223.76
  6. Step 6: Final answer
    x = 12,170,219.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.