Home / 30,606,802.71-42,236,877.38-16,857,046.23

Finding the Fourth Proportional to 30,606,802.71, 42,236,877.38 and 16,857,046.23

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Solution

The fourth proportional to 30,606,802.71, 42,236,877.38 and 16,857,046.23 is: 23,262,442.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,606,802.71 : 42,236,877.38 = 16,857,046.23 : x
  2. Step 2: Convert to fraction form
    30,606,802.71/42,236,877.38 = 16,857,046.23/x
  3. Step 3: Cross multiply
    30,606,802.71x = 42,236,877.38 × 16,857,046.23
  4. Step 4: Simplify right side
    30,606,802.71x = 711,988,994,521,216.12
  5. Step 5: Solve for x
    x = 711,988,994,521,216.12/30,606,802.71
  6. Step 6: Final answer
    x = 23,262,442.71

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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.