Home / 12,130,199.96-16,739,756.87-6,623,613.05

Finding the Fourth Proportional to 12,130,199.96, 16,739,756.87 and 6,623,613.05

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Solution

The fourth proportional to 12,130,199.96, 16,739,756.87 and 6,623,613.05 is: 9,140,630.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130,199.96 : 16,739,756.87 = 6,623,613.05 : x
  2. Step 2: Convert to fraction form
    12,130,199.96/16,739,756.87 = 6,623,613.05/x
  3. Step 3: Cross multiply
    12,130,199.96x = 16,739,756.87 × 6,623,613.05
  4. Step 4: Simplify right side
    12,130,199.96x = 110,877,671,941,142.30
  5. Step 5: Solve for x
    x = 110,877,671,941,142.30/12,130,199.96
  6. Step 6: Final answer
    x = 9,140,630.19

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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.