Home / 30,543,629.64-42,149,132.02-16,792,488.06

Finding the Fourth Proportional to 30,543,629.64, 42,149,132.02 and 16,792,488.06

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Solution

The fourth proportional to 30,543,629.64, 42,149,132.02 and 16,792,488.06 is: 23,173,041.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,543,629.64 : 42,149,132.02 = 16,792,488.06 : x
  2. Step 2: Convert to fraction form
    30,543,629.64/42,149,132.02 = 16,792,488.06/x
  3. Step 3: Cross multiply
    30,543,629.64x = 42,149,132.02 × 16,792,488.06
  4. Step 4: Simplify right side
    30,543,629.64x = 707,788,796,185,213.62
  5. Step 5: Solve for x
    x = 707,788,796,185,213.62/30,543,629.64
  6. Step 6: Final answer
    x = 23,173,041.47

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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.