Home / 15,302,831.03-21,117,496.07-8,333,369.59

Finding the Fourth Proportional to 15,302,831.03, 21,117,496.07 and 8,333,369.59

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Solution

The fourth proportional to 15,302,831.03, 21,117,496.07 and 8,333,369.59 is: 11,499,826.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,302,831.03 : 21,117,496.07 = 8,333,369.59 : x
  2. Step 2: Convert to fraction form
    15,302,831.03/21,117,496.07 = 8,333,369.59/x
  3. Step 3: Cross multiply
    15,302,831.03x = 21,117,496.07 × 8,333,369.59
  4. Step 4: Simplify right side
    15,302,831.03x = 175,979,899,534,722.22
  5. Step 5: Solve for x
    x = 175,979,899,534,722.22/15,302,831.03
  6. Step 6: Final answer
    x = 11,499,826.36

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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.