Home / 12,191,139.19-16,823,934.86-6,684,500.09

Finding the Fourth Proportional to 12,191,139.19, 16,823,934.86 and 6,684,500.09

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Solution

The fourth proportional to 12,191,139.19, 16,823,934.86 and 6,684,500.09 is: 9,224,699.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,191,139.19 : 16,823,934.86 = 6,684,500.09 : x
  2. Step 2: Convert to fraction form
    12,191,139.19/16,823,934.86 = 6,684,500.09/x
  3. Step 3: Cross multiply
    12,191,139.19x = 16,823,934.86 × 6,684,500.09
  4. Step 4: Simplify right side
    12,191,139.19x = 112,459,594,094,461.48
  5. Step 5: Solve for x
    x = 112,459,594,094,461.48/12,191,139.19
  6. Step 6: Final answer
    x = 9,224,699.38

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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.