Home / 20,951,507,111.02-31,426,964,709.64-9,753,117,876.47

Finding the Fourth Proportional to 20,951,507,111.02, 31,426,964,709.64 and 9,753,117,876.47

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Solution

The fourth proportional to 20,951,507,111.02, 31,426,964,709.64 and 9,753,117,876.47 is: 14,629,539,044.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,951,507,111.02 : 31,426,964,709.64 = 9,753,117,876.47 : x
  2. Step 2: Convert to fraction form
    20,951,507,111.02/31,426,964,709.64 = 9,753,117,876.47/x
  3. Step 3: Cross multiply
    20,951,507,111.02x = 31,426,964,709.64 × 9,753,117,876.47
  4. Step 4: Simplify right side
    20,951,507,111.02x = 306,510,891,312,831,004,672
  5. Step 5: Solve for x
    x = 306,510,891,312,831,004,672/20,951,507,111.02
  6. Step 6: Final answer
    x = 14,629,539,044.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.