Home / 7,106,431.73-10,659,649.31-1,989,615.45

Finding the Fourth Proportional to 7,106,431.73, 10,659,649.31 and 1,989,615.45

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Solution

The fourth proportional to 7,106,431.73, 10,659,649.31 and 1,989,615.45 is: 2,984,423.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106,431.73 : 10,659,649.31 = 1,989,615.45 : x
  2. Step 2: Convert to fraction form
    7,106,431.73/10,659,649.31 = 1,989,615.45/x
  3. Step 3: Cross multiply
    7,106,431.73x = 10,659,649.31 × 1,989,615.45
  4. Step 4: Simplify right side
    7,106,431.73x = 21,208,602,996,244.51
  5. Step 5: Solve for x
    x = 21,208,602,996,244.51/7,106,431.73
  6. Step 6: Final answer
    x = 2,984,423.66

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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.