Home / 21,220,090,613.67-29,283,816,087.55-11,575,030,772.27

Finding the Fourth Proportional to 21,220,090,613.67, 29,283,816,087.55 and 11,575,030,772.27

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Solution

The fourth proportional to 21,220,090,613.67, 29,283,816,087.55 and 11,575,030,772.27 is: 15,973,592,126.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,220,090,613.67 : 29,283,816,087.55 = 11,575,030,772.27 : x
  2. Step 2: Convert to fraction form
    21,220,090,613.67/29,283,816,087.55 = 11,575,030,772.27/x
  3. Step 3: Cross multiply
    21,220,090,613.67x = 29,283,816,087.55 × 11,575,030,772.27
  4. Step 4: Simplify right side
    21,220,090,613.67x = 338,961,072,342,886,514,688
  5. Step 5: Solve for x
    x = 338,961,072,342,886,514,688/21,220,090,613.67
  6. Step 6: Final answer
    x = 15,973,592,126.16

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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.