Home / 12,124,831.80-16,729,770.11-6,967,196.90

Finding the Fourth Proportional to 12,124,831.80, 16,729,770.11 and 6,967,196.90

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Solution

The fourth proportional to 12,124,831.80, 16,729,770.11 and 6,967,196.90 is: 9,613,296.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124,831.80 : 16,729,770.11 = 6,967,196.90 : x
  2. Step 2: Convert to fraction form
    12,124,831.80/16,729,770.11 = 6,967,196.90/x
  3. Step 3: Cross multiply
    12,124,831.80x = 16,729,770.11 × 6,967,196.90
  4. Step 4: Simplify right side
    12,124,831.80x = 116,559,602,329,619.81
  5. Step 5: Solve for x
    x = 116,559,602,329,619.81/12,124,831.80
  6. Step 6: Final answer
    x = 9,613,296.44

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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.