Home / 31,054,116.68-42,852,931.89-17,115,429.32

Finding the Fourth Proportional to 31,054,116.68, 42,852,931.89 and 17,115,429.32

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Solution

The fourth proportional to 31,054,116.68, 42,852,931.89 and 17,115,429.32 is: 23,618,328.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,054,116.68 : 42,852,931.89 = 17,115,429.32 : x
  2. Step 2: Convert to fraction form
    31,054,116.68/42,852,931.89 = 17,115,429.32/x
  3. Step 3: Cross multiply
    31,054,116.68x = 42,852,931.89 × 17,115,429.32
  4. Step 4: Simplify right side
    31,054,116.68x = 733,446,326,703,804.38
  5. Step 5: Solve for x
    x = 733,446,326,703,804.38/31,054,116.68
  6. Step 6: Final answer
    x = 23,618,328.43

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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.