Home / 30,543,631.64-42,149,134.78-16,792,490.06

Finding the Fourth Proportional to 30,543,631.64, 42,149,134.78 and 16,792,490.06

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Solution

The fourth proportional to 30,543,631.64, 42,149,134.78 and 16,792,490.06 is: 23,173,044.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,543,631.64 : 42,149,134.78 = 16,792,490.06 : x
  2. Step 2: Convert to fraction form
    30,543,631.64/42,149,134.78 = 16,792,490.06/x
  3. Step 3: Cross multiply
    30,543,631.64x = 42,149,134.78 × 16,792,490.06
  4. Step 4: Simplify right side
    30,543,631.64x = 707,788,926,830,750.25
  5. Step 5: Solve for x
    x = 707,788,926,830,750.25/30,543,631.64
  6. Step 6: Final answer
    x = 23,173,044.23

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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.