Home / 15,426,831,900.96-21,287,325,839.27-8,651,256,155.89

Finding the Fourth Proportional to 15,426,831,900.96, 21,287,325,839.27 and 8,651,256,155.89

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Solution

The fourth proportional to 15,426,831,900.96, 21,287,325,839.27 and 8,651,256,155.89 is: 11,937,778,922.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,426,831,900.96 : 21,287,325,839.27 = 8,651,256,155.89 : x
  2. Step 2: Convert to fraction form
    15,426,831,900.96/21,287,325,839.27 = 8,651,256,155.89/x
  3. Step 3: Cross multiply
    15,426,831,900.96x = 21,287,325,839.27 × 8,651,256,155.89
  4. Step 4: Simplify right side
    15,426,831,900.96x = 184,162,108,709,324,390,400
  5. Step 5: Solve for x
    x = 184,162,108,709,324,390,400/15,426,831,900.96
  6. Step 6: Final answer
    x = 11,937,778,922.57

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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.