Home / 31,152,325-42,989,303.14-17,213,458.60

Finding the Fourth Proportional to 31,152,325, 42,989,303.14 and 17,213,458.60

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Solution

The fourth proportional to 31,152,325, 42,989,303.14 and 17,213,458.60 is: 23,754,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,152,325 : 42,989,303.14 = 17,213,458.60 : x
  2. Step 2: Convert to fraction form
    31,152,325/42,989,303.14 = 17,213,458.60/x
  3. Step 3: Cross multiply
    31,152,325x = 42,989,303.14 × 17,213,458.60
  4. Step 4: Simplify right side
    31,152,325x = 739,994,589,843,240.12
  5. Step 5: Solve for x
    x = 739,994,589,843,240.12/31,152,325
  6. Step 6: Final answer
    x = 23,754,072.60

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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.