Home / 13,354,787.52-18,430,023.96-7,553,455.74

Finding the Fourth Proportional to 13,354,787.52, 18,430,023.96 and 7,553,455.74

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Solution

The fourth proportional to 13,354,787.52, 18,430,023.96 and 7,553,455.74 is: 10,424,004.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354,787.52 : 18,430,023.96 = 7,553,455.74 : x
  2. Step 2: Convert to fraction form
    13,354,787.52/18,430,023.96 = 7,553,455.74/x
  3. Step 3: Cross multiply
    13,354,787.52x = 18,430,023.96 × 7,553,455.74
  4. Step 4: Simplify right side
    13,354,787.52x = 139,210,370,268,999.55
  5. Step 5: Solve for x
    x = 139,210,370,268,999.55/13,354,787.52
  6. Step 6: Final answer
    x = 10,424,004.88

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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.