Home / 21,830,430,120.03-30,126,084,348.60-11,805,924,967.11

Finding the Fourth Proportional to 21,830,430,120.03, 30,126,084,348.60 and 11,805,924,967.11

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Solution

The fourth proportional to 21,830,430,120.03, 30,126,084,348.60 and 11,805,924,967.11 is: 16,292,225,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,830,430,120.03 : 30,126,084,348.60 = 11,805,924,967.11 : x
  2. Step 2: Convert to fraction form
    21,830,430,120.03/30,126,084,348.60 = 11,805,924,967.11/x
  3. Step 3: Cross multiply
    21,830,430,120.03x = 30,126,084,348.60 × 11,805,924,967.11
  4. Step 4: Simplify right side
    21,830,430,120.03x = 355,666,291,372,398,542,848
  5. Step 5: Solve for x
    x = 355,666,291,372,398,542,848/21,830,430,120.03
  6. Step 6: Final answer
    x = 16,292,225,550.15

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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.