Home / 12,830,682.30-17,706,363.96-7,029,339.18

Finding the Fourth Proportional to 12,830,682.30, 17,706,363.96 and 7,029,339.18

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Solution

The fourth proportional to 12,830,682.30, 17,706,363.96 and 7,029,339.18 is: 9,700,500.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,830,682.30 : 17,706,363.96 = 7,029,339.18 : x
  2. Step 2: Convert to fraction form
    12,830,682.30/17,706,363.96 = 7,029,339.18/x
  3. Step 3: Cross multiply
    12,830,682.30x = 17,706,363.96 × 7,029,339.18
  4. Step 4: Simplify right side
    12,830,682.30x = 124,464,037,919,367.95
  5. Step 5: Solve for x
    x = 124,464,037,919,367.95/12,830,682.30
  6. Step 6: Final answer
    x = 9,700,500.33

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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.