Home / 12,124,831.79-16,729,770.10-6,967,196.88

Finding the Fourth Proportional to 12,124,831.79, 16,729,770.10 and 6,967,196.88

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Solution

The fourth proportional to 12,124,831.79, 16,729,770.10 and 6,967,196.88 is: 9,613,296.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124,831.79 : 16,729,770.10 = 6,967,196.88 : x
  2. Step 2: Convert to fraction form
    12,124,831.79/16,729,770.10 = 6,967,196.88/x
  3. Step 3: Cross multiply
    12,124,831.79x = 16,729,770.10 × 6,967,196.88
  4. Step 4: Simplify right side
    12,124,831.79x = 116,559,602,098,311.83
  5. Step 5: Solve for x
    x = 116,559,602,098,311.83/12,124,831.79
  6. Step 6: Final answer
    x = 9,613,296.43

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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.