Home / 20,128,718,070.55-27,777,714,838.73-11,096,277,747.22

Finding the Fourth Proportional to 20,128,718,070.55, 27,777,714,838.73 and 11,096,277,747.22

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Solution

The fourth proportional to 20,128,718,070.55, 27,777,714,838.73 and 11,096,277,747.22 is: 15,312,909,543.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,128,718,070.55 : 27,777,714,838.73 = 11,096,277,747.22 : x
  2. Step 2: Convert to fraction form
    20,128,718,070.55/27,777,714,838.73 = 11,096,277,747.22/x
  3. Step 3: Cross multiply
    20,128,718,070.55x = 27,777,714,838.73 × 11,096,277,747.22
  4. Step 4: Simplify right side
    20,128,718,070.55x = 308,229,239,033,622,495,232
  5. Step 5: Solve for x
    x = 308,229,239,033,622,495,232/20,128,718,070.55
  6. Step 6: Final answer
    x = 15,312,909,543.14

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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.