Home / 28,877,468.16-43,287,038.55-18,102,321.46

Finding the Fourth Proportional to 28,877,468.16, 43,287,038.55 and 18,102,321.46

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Solution

The fourth proportional to 28,877,468.16, 43,287,038.55 and 18,102,321.46 is: 27,135,200.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877,468.16 : 43,287,038.55 = 18,102,321.46 : x
  2. Step 2: Convert to fraction form
    28,877,468.16/43,287,038.55 = 18,102,321.46/x
  3. Step 3: Cross multiply
    28,877,468.16x = 43,287,038.55 × 18,102,321.46
  4. Step 4: Simplify right side
    28,877,468.16x = 783,595,886,937,621
  5. Step 5: Solve for x
    x = 783,595,886,937,621/28,877,468.16
  6. Step 6: Final answer
    x = 27,135,200.44

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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.