Home / 20,938,515,115.36-28,895,244,583.44-11,423,038,030.24

Finding the Fourth Proportional to 20,938,515,115.36, 28,895,244,583.44 and 11,423,038,030.24

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Solution

The fourth proportional to 20,938,515,115.36, 28,895,244,583.44 and 11,423,038,030.24 is: 15,763,843,613.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,938,515,115.36 : 28,895,244,583.44 = 11,423,038,030.24 : x
  2. Step 2: Convert to fraction form
    20,938,515,115.36/28,895,244,583.44 = 11,423,038,030.24/x
  3. Step 3: Cross multiply
    20,938,515,115.36x = 28,895,244,583.44 × 11,423,038,030.24
  4. Step 4: Simplify right side
    20,938,515,115.36x = 330,071,477,769,721,479,168
  5. Step 5: Solve for x
    x = 330,071,477,769,721,479,168/20,938,515,115.36
  6. Step 6: Final answer
    x = 15,763,843,613.13

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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.