Home / 12,345,477.85-17,036,574.87-6,838,836.22

Finding the Fourth Proportional to 12,345,477.85, 17,036,574.87 and 6,838,836.22

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Solution

The fourth proportional to 12,345,477.85, 17,036,574.87 and 6,838,836.22 is: 9,437,491.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,345,477.85 : 17,036,574.87 = 6,838,836.22 : x
  2. Step 2: Convert to fraction form
    12,345,477.85/17,036,574.87 = 6,838,836.22/x
  3. Step 3: Cross multiply
    12,345,477.85x = 17,036,574.87 × 6,838,836.22
  4. Step 4: Simplify right side
    12,345,477.85x = 116,510,345,285,697.80
  5. Step 5: Solve for x
    x = 116,510,345,285,697.80/12,345,477.85
  6. Step 6: Final answer
    x = 9,437,491.74

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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.