Home / 21,302,405,740.77-29,397,354,359.66-11,787,358,530.93

Finding the Fourth Proportional to 21,302,405,740.77, 29,397,354,359.66 and 11,787,358,530.93

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Solution

The fourth proportional to 21,302,405,740.77, 29,397,354,359.66 and 11,787,358,530.93 is: 16,266,573,828.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,302,405,740.77 : 29,397,354,359.66 = 11,787,358,530.93 : x
  2. Step 2: Convert to fraction form
    21,302,405,740.77/29,397,354,359.66 = 11,787,358,530.93/x
  3. Step 3: Cross multiply
    21,302,405,740.77x = 29,397,354,359.66 × 11,787,358,530.93
  4. Step 4: Simplify right side
    21,302,405,740.77x = 346,517,155,698,110,562,304
  5. Step 5: Solve for x
    x = 346,517,155,698,110,562,304/21,302,405,740.77
  6. Step 6: Final answer
    x = 16,266,573,828.09

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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.