Home / 12,195,987.22-16,830,347.70-6,689,250.01

Finding the Fourth Proportional to 12,195,987.22, 16,830,347.70 and 6,689,250.01

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Solution

The fourth proportional to 12,195,987.22, 16,830,347.70 and 6,689,250.01 is: 9,231,102.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195,987.22 : 16,830,347.70 = 6,689,250.01 : x
  2. Step 2: Convert to fraction form
    12,195,987.22/16,830,347.70 = 6,689,250.01/x
  3. Step 3: Cross multiply
    12,195,987.22x = 16,830,347.70 × 6,689,250.01
  4. Step 4: Simplify right side
    12,195,987.22x = 112,582,403,520,528.47
  5. Step 5: Solve for x
    x = 112,582,403,520,528.47/12,195,987.22
  6. Step 6: Final answer
    x = 9,231,102.12

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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.