Home / 13,009,038.58-19,509,548.37-8,991,344.62

Finding the Fourth Proportional to 13,009,038.58, 19,509,548.37 and 8,991,344.62

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Solution

The fourth proportional to 13,009,038.58, 19,509,548.37 and 8,991,344.62 is: 13,484,245.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009,038.58 : 19,509,548.37 = 8,991,344.62 : x
  2. Step 2: Convert to fraction form
    13,009,038.58/19,509,548.37 = 8,991,344.62/x
  3. Step 3: Cross multiply
    13,009,038.58x = 19,509,548.37 × 8,991,344.62
  4. Step 4: Simplify right side
    13,009,038.58x = 175,417,072,775,229.25
  5. Step 5: Solve for x
    x = 175,417,072,775,229.25/13,009,038.58
  6. Step 6: Final answer
    x = 13,484,245.72

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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.