Home / 21,507,058.80-32,256,104.85-7,866,630.45

Finding the Fourth Proportional to 21,507,058.80, 32,256,104.85 and 7,866,630.45

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Solution

The fourth proportional to 21,507,058.80, 32,256,104.85 and 7,866,630.45 is: 11,798,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,507,058.80 : 32,256,104.85 = 7,866,630.45 : x
  2. Step 2: Convert to fraction form
    21,507,058.80/32,256,104.85 = 7,866,630.45/x
  3. Step 3: Cross multiply
    21,507,058.80x = 32,256,104.85 × 7,866,630.45
  4. Step 4: Simplify right side
    21,507,058.80x = 253,746,856,611,402.69
  5. Step 5: Solve for x
    x = 253,746,856,611,402.69/21,507,058.80
  6. Step 6: Final answer
    x = 11,798,305.80

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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.