Home / 15,841,785,317.86-21,861,837,751.56-8,705,200,976.74

Finding the Fourth Proportional to 15,841,785,317.86, 21,861,837,751.56 and 8,705,200,976.74

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Solution

The fourth proportional to 15,841,785,317.86, 21,861,837,751.56 and 8,705,200,976.74 is: 12,013,272,969.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,841,785,317.86 : 21,861,837,751.56 = 8,705,200,976.74 : x
  2. Step 2: Convert to fraction form
    15,841,785,317.86/21,861,837,751.56 = 8,705,200,976.74/x
  3. Step 3: Cross multiply
    15,841,785,317.86x = 21,861,837,751.56 × 8,705,200,976.74
  4. Step 4: Simplify right side
    15,841,785,317.86x = 190,311,691,348,211,531,776
  5. Step 5: Solve for x
    x = 190,311,691,348,211,531,776/15,841,785,317.86
  6. Step 6: Final answer
    x = 12,013,272,969.53

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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.