Home / 10,442,970.46-15,667,662.75-4,985,029.90

Finding the Fourth Proportional to 10,442,970.46, 15,667,662.75 and 4,985,029.90

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Solution

The fourth proportional to 10,442,970.46, 15,667,662.75 and 4,985,029.90 is: 7,479,075.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442,970.46 : 15,667,662.75 = 4,985,029.90 : x
  2. Step 2: Convert to fraction form
    10,442,970.46/15,667,662.75 = 4,985,029.90/x
  3. Step 3: Cross multiply
    10,442,970.46x = 15,667,662.75 × 4,985,029.90
  4. Step 4: Simplify right side
    10,442,970.46x = 78,103,767,271,866.23
  5. Step 5: Solve for x
    x = 78,103,767,271,866.23/10,442,970.46
  6. Step 6: Final answer
    x = 7,479,075.76

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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.