Home / 15,758,146.38-21,756,362.76-9,885,831.60

Finding the Fourth Proportional to 15,758,146.38, 21,756,362.76 and 9,885,831.60

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Solution

The fourth proportional to 15,758,146.38, 21,756,362.76 and 9,885,831.60 is: 13,648,796.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,758,146.38 : 21,756,362.76 = 9,885,831.60 : x
  2. Step 2: Convert to fraction form
    15,758,146.38/21,756,362.76 = 9,885,831.60/x
  3. Step 3: Cross multiply
    15,758,146.38x = 21,756,362.76 × 9,885,831.60
  4. Step 4: Simplify right side
    15,758,146.38x = 215,079,738,473,871.22
  5. Step 5: Solve for x
    x = 215,079,738,473,871.22/15,758,146.38
  6. Step 6: Final answer
    x = 13,648,796.84

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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.