Home / 7,210,038.77-9,949,852.76-3,946,855.71

Finding the Fourth Proportional to 7,210,038.77, 9,949,852.76 and 3,946,855.71

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Solution

The fourth proportional to 7,210,038.77, 9,949,852.76 and 3,946,855.71 is: 5,446,660.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,038.77 : 9,949,852.76 = 3,946,855.71 : x
  2. Step 2: Convert to fraction form
    7,210,038.77/9,949,852.76 = 3,946,855.71/x
  3. Step 3: Cross multiply
    7,210,038.77x = 9,949,852.76 × 3,946,855.71
  4. Step 4: Simplify right side
    7,210,038.77x = 39,270,633,159,730.98
  5. Step 5: Solve for x
    x = 39,270,633,159,730.98/7,210,038.77
  6. Step 6: Final answer
    x = 5,446,660.47

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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.