Home / 7,171,509.10-10,739,548.94-5,345,495.32

Finding the Fourth Proportional to 7,171,509.10, 10,739,548.94 and 5,345,495.32

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Solution

The fourth proportional to 7,171,509.10, 10,739,548.94 and 5,345,495.32 is: 8,005,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,509.10 : 10,739,548.94 = 5,345,495.32 : x
  2. Step 2: Convert to fraction form
    7,171,509.10/10,739,548.94 = 5,345,495.32/x
  3. Step 3: Cross multiply
    7,171,509.10x = 10,739,548.94 × 5,345,495.32
  4. Step 4: Simplify right side
    7,171,509.10x = 57,408,208,597,680.96
  5. Step 5: Solve for x
    x = 57,408,208,597,680.96/7,171,509.10
  6. Step 6: Final answer
    x = 8,005,038.80

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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.