Home / 12,315,341.10-16,994,668.68-6,808,365.48

Finding the Fourth Proportional to 12,315,341.10, 16,994,668.68 and 6,808,365.48

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Solution

The fourth proportional to 12,315,341.10, 16,994,668.68 and 6,808,365.48 is: 9,395,266.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,315,341.10 : 16,994,668.68 = 6,808,365.48 : x
  2. Step 2: Convert to fraction form
    12,315,341.10/16,994,668.68 = 6,808,365.48/x
  3. Step 3: Cross multiply
    12,315,341.10x = 16,994,668.68 × 6,808,365.48
  4. Step 4: Simplify right side
    12,315,341.10x = 115,705,915,584,949.17
  5. Step 5: Solve for x
    x = 115,705,915,584,949.17/12,315,341.10
  6. Step 6: Final answer
    x = 9,395,266.82

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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.