Home / 28,536,736.29-42,810,436.61-12,975,707.93

Finding the Fourth Proportional to 28,536,736.29, 42,810,436.61 and 12,975,707.93

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Solution

The fourth proportional to 28,536,736.29, 42,810,436.61 and 12,975,707.93 is: 19,465,986.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,536,736.29 : 42,810,436.61 = 12,975,707.93 : x
  2. Step 2: Convert to fraction form
    28,536,736.29/42,810,436.61 = 12,975,707.93/x
  3. Step 3: Cross multiply
    28,536,736.29x = 42,810,436.61 × 12,975,707.93
  4. Step 4: Simplify right side
    28,536,736.29x = 555,495,721,576,867.56
  5. Step 5: Solve for x
    x = 555,495,721,576,867.56/28,536,736.29
  6. Step 6: Final answer
    x = 19,465,986.44

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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.