Home / 14,658,514.13-20,220,345.08-9,142,312.21

Finding the Fourth Proportional to 14,658,514.13, 20,220,345.08 and 9,142,312.21

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Solution

The fourth proportional to 14,658,514.13, 20,220,345.08 and 9,142,312.21 is: 12,611,149.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658,514.13 : 20,220,345.08 = 9,142,312.21 : x
  2. Step 2: Convert to fraction form
    14,658,514.13/20,220,345.08 = 9,142,312.21/x
  3. Step 3: Cross multiply
    14,658,514.13x = 20,220,345.08 × 9,142,312.21
  4. Step 4: Simplify right side
    14,658,514.13x = 184,860,707,715,297.44
  5. Step 5: Solve for x
    x = 184,860,707,715,297.44/14,658,514.13
  6. Step 6: Final answer
    x = 12,611,149.13

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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.