Home / 21,692,902.31-32,516,476.08-7,116,015.39

Finding the Fourth Proportional to 21,692,902.31, 32,516,476.08 and 7,116,015.39

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Solution

The fourth proportional to 21,692,902.31, 32,516,476.08 and 7,116,015.39 is: 10,666,518.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,692,902.31 : 32,516,476.08 = 7,116,015.39 : x
  2. Step 2: Convert to fraction form
    21,692,902.31/32,516,476.08 = 7,116,015.39/x
  3. Step 3: Cross multiply
    21,692,902.31x = 32,516,476.08 × 7,116,015.39
  4. Step 4: Simplify right side
    21,692,902.31x = 231,387,744,248,130.22
  5. Step 5: Solve for x
    x = 231,387,744,248,130.22/21,692,902.31
  6. Step 6: Final answer
    x = 10,666,518.52

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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.