Home / 20,165,692,533.93-27,831,095,958.88-11,477,260,109.78

Finding the Fourth Proportional to 20,165,692,533.93, 27,831,095,958.88 and 11,477,260,109.78

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Solution

The fourth proportional to 20,165,692,533.93, 27,831,095,958.88 and 11,477,260,109.78 is: 15,840,007,821.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,692,533.93 : 27,831,095,958.88 = 11,477,260,109.78 : x
  2. Step 2: Convert to fraction form
    20,165,692,533.93/27,831,095,958.88 = 11,477,260,109.78/x
  3. Step 3: Cross multiply
    20,165,692,533.93x = 27,831,095,958.88 × 11,477,260,109.78
  4. Step 4: Simplify right side
    20,165,692,533.93x = 319,424,727,460,334,010,368
  5. Step 5: Solve for x
    x = 319,424,727,460,334,010,368/20,165,692,533.93
  6. Step 6: Final answer
    x = 15,840,007,821.35

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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.