Home / 15,726,650,020.20-21,702,648,051.36-8,590,068,383.40

Finding the Fourth Proportional to 15,726,650,020.20, 21,702,648,051.36 and 8,590,068,383.40

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Solution

The fourth proportional to 15,726,650,020.20, 21,702,648,051.36 and 8,590,068,383.40 is: 11,854,223,920.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,726,650,020.20 : 21,702,648,051.36 = 8,590,068,383.40 : x
  2. Step 2: Convert to fraction form
    15,726,650,020.20/21,702,648,051.36 = 8,590,068,383.40/x
  3. Step 3: Cross multiply
    15,726,650,020.20x = 21,702,648,051.36 × 8,590,068,383.40
  4. Step 4: Simplify right side
    15,726,650,020.20x = 186,427,230,862,045,151,232
  5. Step 5: Solve for x
    x = 186,427,230,862,045,151,232/15,726,650,020.20
  6. Step 6: Final answer
    x = 11,854,223,920.71

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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.