Home / 21,220,051.69-29,283,671.63-11,562,259.69

Finding the Fourth Proportional to 21,220,051.69, 29,283,671.63 and 11,562,259.69

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Solution

The fourth proportional to 21,220,051.69, 29,283,671.63 and 11,562,259.69 is: 15,955,918.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,220,051.69 : 29,283,671.63 = 11,562,259.69 : x
  2. Step 2: Convert to fraction form
    21,220,051.69/29,283,671.63 = 11,562,259.69/x
  3. Step 3: Cross multiply
    21,220,051.69x = 29,283,671.63 × 11,562,259.69
  4. Step 4: Simplify right side
    21,220,051.69x = 338,585,416,018,442.06
  5. Step 5: Solve for x
    x = 338,585,416,018,442.06/21,220,051.69
  6. Step 6: Final answer
    x = 15,955,918.53

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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.