Home / 12,315,154.56-16,994,937.92-6,882,646.40

Finding the Fourth Proportional to 12,315,154.56, 16,994,937.92 and 6,882,646.40

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Solution

The fourth proportional to 12,315,154.56, 16,994,937.92 and 6,882,646.40 is: 9,498,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,315,154.56 : 16,994,937.92 = 6,882,646.40 : x
  2. Step 2: Convert to fraction form
    12,315,154.56/16,994,937.92 = 6,882,646.40/x
  3. Step 3: Cross multiply
    12,315,154.56x = 16,994,937.92 × 6,882,646.40
  4. Step 4: Simplify right side
    12,315,154.56x = 116,970,148,293,311.50
  5. Step 5: Solve for x
    x = 116,970,148,293,311.50/12,315,154.56
  6. Step 6: Final answer
    x = 9,498,065.80

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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.