Home / 21,315,113,461.08-29,415,204,821.34-11,669,682,516.12

Finding the Fourth Proportional to 21,315,113,461.08, 29,415,204,821.34 and 11,669,682,516.12

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Solution

The fourth proportional to 21,315,113,461.08, 29,415,204,821.34 and 11,669,682,516.12 is: 16,104,352,530.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,315,113,461.08 : 29,415,204,821.34 = 11,669,682,516.12 : x
  2. Step 2: Convert to fraction form
    21,315,113,461.08/29,415,204,821.34 = 11,669,682,516.12/x
  3. Step 3: Cross multiply
    21,315,113,461.08x = 29,415,204,821.34 × 11,669,682,516.12
  4. Step 4: Simplify right side
    21,315,113,461.08x = 343,266,101,411,680,157,696
  5. Step 5: Solve for x
    x = 343,266,101,411,680,157,696/21,315,113,461.08
  6. Step 6: Final answer
    x = 16,104,352,530.82

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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.