Home / 28,311,495.49-42,453,825.67-9,861,005.74

Finding the Fourth Proportional to 28,311,495.49, 42,453,825.67 and 9,861,005.74

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Solution

The fourth proportional to 28,311,495.49, 42,453,825.67 and 9,861,005.74 is: 14,786,835.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,311,495.49 : 42,453,825.67 = 9,861,005.74 : x
  2. Step 2: Convert to fraction form
    28,311,495.49/42,453,825.67 = 9,861,005.74/x
  3. Step 3: Cross multiply
    28,311,495.49x = 42,453,825.67 × 9,861,005.74
  4. Step 4: Simplify right side
    28,311,495.49x = 418,637,418,616,829.38
  5. Step 5: Solve for x
    x = 418,637,418,616,829.38/28,311,495.49
  6. Step 6: Final answer
    x = 14,786,835.22

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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.