Home / 28,992,502.40-43,394,124.54-21,314,113.88

Finding the Fourth Proportional to 28,992,502.40, 43,394,124.54 and 21,314,113.88

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Solution

The fourth proportional to 28,992,502.40, 43,394,124.54 and 21,314,113.88 is: 31,901,603.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992,502.40 : 43,394,124.54 = 21,314,113.88 : x
  2. Step 2: Convert to fraction form
    28,992,502.40/43,394,124.54 = 21,314,113.88/x
  3. Step 3: Cross multiply
    28,992,502.40x = 43,394,124.54 × 21,314,113.88
  4. Step 4: Simplify right side
    28,992,502.40x = 924,907,312,168,462.50
  5. Step 5: Solve for x
    x = 924,907,312,168,462.50/28,992,502.40
  6. Step 6: Final answer
    x = 31,901,603.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.