Home / 15,177,755,397.04-20,945,956,992.36-8,403,574,105.60

Finding the Fourth Proportional to 15,177,755,397.04, 20,945,956,992.36 and 8,403,574,105.60

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Solution

The fourth proportional to 15,177,755,397.04, 20,945,956,992.36 and 8,403,574,105.60 is: 11,597,294,671.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177,755,397.04 : 20,945,956,992.36 = 8,403,574,105.60 : x
  2. Step 2: Convert to fraction form
    15,177,755,397.04/20,945,956,992.36 = 8,403,574,105.60/x
  3. Step 3: Cross multiply
    15,177,755,397.04x = 20,945,956,992.36 × 8,403,574,105.60
  4. Step 4: Simplify right side
    15,177,755,397.04x = 176,020,901,798,007,767,040
  5. Step 5: Solve for x
    x = 176,020,901,798,007,767,040/15,177,755,397.04
  6. Step 6: Final answer
    x = 11,597,294,671.93

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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.