Home / 38,302,214.40-52,852,690.93-21,553,718.94

Finding the Fourth Proportional to 38,302,214.40, 52,852,690.93 and 21,553,718.94

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Solution

The fourth proportional to 38,302,214.40, 52,852,690.93 and 21,553,718.94 is: 29,741,675.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,302,214.40 : 52,852,690.93 = 21,553,718.94 : x
  2. Step 2: Convert to fraction form
    38,302,214.40/52,852,690.93 = 21,553,718.94/x
  3. Step 3: Cross multiply
    38,302,214.40x = 52,852,690.93 × 21,553,718.94
  4. Step 4: Simplify right side
    38,302,214.40x = 1,139,172,045,527,907.25
  5. Step 5: Solve for x
    x = 1,139,172,045,527,907.25/38,302,214.40
  6. Step 6: Final answer
    x = 29,741,675.86

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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.