Home / 21,619,622.16-29,835,747.81-11,830,478.94

Finding the Fourth Proportional to 21,619,622.16, 29,835,747.81 and 11,830,478.94

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Solution

The fourth proportional to 21,619,622.16, 29,835,747.81 and 11,830,478.94 is: 16,326,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,619,622.16 : 29,835,747.81 = 11,830,478.94 : x
  2. Step 2: Convert to fraction form
    21,619,622.16/29,835,747.81 = 11,830,478.94/x
  3. Step 3: Cross multiply
    21,619,622.16x = 29,835,747.81 × 11,830,478.94
  4. Step 4: Simplify right side
    21,619,622.16x = 352,971,186,125,356.06
  5. Step 5: Solve for x
    x = 352,971,186,125,356.06/21,619,622.16
  6. Step 6: Final answer
    x = 16,326,427.15

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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.