Home / 7,870,078.36-11,803,996.23-2,478,588.49

Finding the Fourth Proportional to 7,870,078.36, 11,803,996.23 and 2,478,588.49

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Solution

The fourth proportional to 7,870,078.36, 11,803,996.23 and 2,478,588.49 is: 3,717,529.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870,078.36 : 11,803,996.23 = 2,478,588.49 : x
  2. Step 2: Convert to fraction form
    7,870,078.36/11,803,996.23 = 2,478,588.49/x
  3. Step 3: Cross multiply
    7,870,078.36x = 11,803,996.23 × 2,478,588.49
  4. Step 4: Simplify right side
    7,870,078.36x = 29,257,249,191,681.39
  5. Step 5: Solve for x
    x = 29,257,249,191,681.39/7,870,078.36
  6. Step 6: Final answer
    x = 3,717,529.59

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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.