Home / 14,658,521.13-20,220,354.73-9,142,319.21

Finding the Fourth Proportional to 14,658,521.13, 20,220,354.73 and 9,142,319.21

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Solution

The fourth proportional to 14,658,521.13, 20,220,354.73 and 9,142,319.21 is: 12,611,158.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658,521.13 : 20,220,354.73 = 9,142,319.21 : x
  2. Step 2: Convert to fraction form
    14,658,521.13/20,220,354.73 = 9,142,319.21/x
  3. Step 3: Cross multiply
    14,658,521.13x = 20,220,354.73 × 9,142,319.21
  4. Step 4: Simplify right side
    14,658,521.13x = 184,860,937,481,093.38
  5. Step 5: Solve for x
    x = 184,860,937,481,093.38/14,658,521.13
  6. Step 6: Final answer
    x = 12,611,158.78

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1.5x scale

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.