Home / 13,533,848.24-18,677,698.92-7,732,505.72

Finding the Fourth Proportional to 13,533,848.24, 18,677,698.92 and 7,732,505.72

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Solution

The fourth proportional to 13,533,848.24, 18,677,698.92 and 7,732,505.72 is: 10,671,422.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533,848.24 : 18,677,698.92 = 7,732,505.72 : x
  2. Step 2: Convert to fraction form
    13,533,848.24/18,677,698.92 = 7,732,505.72/x
  3. Step 3: Cross multiply
    13,533,848.24x = 18,677,698.92 × 7,732,505.72
  4. Step 4: Simplify right side
    13,533,848.24x = 144,425,413,641,949.34
  5. Step 5: Solve for x
    x = 144,425,413,641,949.34/13,533,848.24
  6. Step 6: Final answer
    x = 10,671,422.58

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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.