Home / 21,220,090,671.78-29,283,816,167.73-11,575,030,830.66

Finding the Fourth Proportional to 21,220,090,671.78, 29,283,816,167.73 and 11,575,030,830.66

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Solution

The fourth proportional to 21,220,090,671.78, 29,283,816,167.73 and 11,575,030,830.66 is: 15,973,592,206.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,220,090,671.78 : 29,283,816,167.73 = 11,575,030,830.66 : x
  2. Step 2: Convert to fraction form
    21,220,090,671.78/29,283,816,167.73 = 11,575,030,830.66/x
  3. Step 3: Cross multiply
    21,220,090,671.78x = 29,283,816,167.73 × 11,575,030,830.66
  4. Step 4: Simplify right side
    21,220,090,671.78x = 338,961,074,980,854,497,280
  5. Step 5: Solve for x
    x = 338,961,074,980,854,497,280/21,220,090,671.78
  6. Step 6: Final answer
    x = 15,973,592,206.73

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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.