Home / 14,658,496.21-20,220,320.41-9,142,294.31

Finding the Fourth Proportional to 14,658,496.21, 20,220,320.41 and 9,142,294.31

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Solution

The fourth proportional to 14,658,496.21, 20,220,320.41 and 9,142,294.31 is: 12,611,124.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658,496.21 : 20,220,320.41 = 9,142,294.31 : x
  2. Step 2: Convert to fraction form
    14,658,496.21/20,220,320.41 = 9,142,294.31/x
  3. Step 3: Cross multiply
    14,658,496.21x = 20,220,320.41 × 9,142,294.31
  4. Step 4: Simplify right side
    14,658,496.21x = 184,860,120,151,427.22
  5. Step 5: Solve for x
    x = 184,860,120,151,427.22/14,658,496.21
  6. Step 6: Final answer
    x = 12,611,124.46

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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.