Home / 21,030,592,868.05-29,022,111,712.25-11,514,971,731.09

Finding the Fourth Proportional to 21,030,592,868.05, 29,022,111,712.25 and 11,514,971,731.09

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Solution

The fourth proportional to 21,030,592,868.05, 29,022,111,712.25 and 11,514,971,731.09 is: 15,890,602,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,030,592,868.05 : 29,022,111,712.25 = 11,514,971,731.09 : x
  2. Step 2: Convert to fraction form
    21,030,592,868.05/29,022,111,712.25 = 11,514,971,731.09/x
  3. Step 3: Cross multiply
    21,030,592,868.05x = 29,022,111,712.25 × 11,514,971,731.09
  4. Step 4: Simplify right side
    21,030,592,868.05x = 334,188,795,943,094,779,904
  5. Step 5: Solve for x
    x = 334,188,795,943,094,779,904/21,030,592,868.05
  6. Step 6: Final answer
    x = 15,890,602,706.25

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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.