Home / 7,429,913.78-11,147,525.37-4,517,931.15

Finding the Fourth Proportional to 7,429,913.78, 11,147,525.37 and 4,517,931.15

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Solution

The fourth proportional to 7,429,913.78, 11,147,525.37 and 4,517,931.15 is: 6,778,510.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429,913.78 : 11,147,525.37 = 4,517,931.15 : x
  2. Step 2: Convert to fraction form
    7,429,913.78/11,147,525.37 = 4,517,931.15/x
  3. Step 3: Cross multiply
    7,429,913.78x = 11,147,525.37 × 4,517,931.15
  4. Step 4: Simplify right side
    7,429,913.78x = 50,363,752,114,538.27
  5. Step 5: Solve for x
    x = 50,363,752,114,538.27/7,429,913.78
  6. Step 6: Final answer
    x = 6,778,510.98

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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.