Home / 12,141,514.50-16,756,999.14-7,729,831.14

Finding the Fourth Proportional to 12,141,514.50, 16,756,999.14 and 7,729,831.14

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Solution

The fourth proportional to 12,141,514.50, 16,756,999.14 and 7,729,831.14 is: 10,668,255.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141,514.50 : 16,756,999.14 = 7,729,831.14 : x
  2. Step 2: Convert to fraction form
    12,141,514.50/16,756,999.14 = 7,729,831.14/x
  3. Step 3: Cross multiply
    12,141,514.50x = 16,756,999.14 × 7,729,831.14
  4. Step 4: Simplify right side
    12,141,514.50x = 129,528,773,765,325.22
  5. Step 5: Solve for x
    x = 129,528,773,765,325.22/12,141,514.50
  6. Step 6: Final answer
    x = 10,668,255.08

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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.