Home / 14,109,083.72-19,470,496.03-7,830,558.93

Finding the Fourth Proportional to 14,109,083.72, 19,470,496.03 and 7,830,558.93

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Solution

The fourth proportional to 14,109,083.72, 19,470,496.03 and 7,830,558.93 is: 10,806,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,109,083.72 : 19,470,496.03 = 7,830,558.93 : x
  2. Step 2: Convert to fraction form
    14,109,083.72/19,470,496.03 = 7,830,558.93/x
  3. Step 3: Cross multiply
    14,109,083.72x = 19,470,496.03 × 7,830,558.93
  4. Step 4: Simplify right side
    14,109,083.72x = 152,464,866,476,443.47
  5. Step 5: Solve for x
    x = 152,464,866,476,443.47/14,109,083.72
  6. Step 6: Final answer
    x = 10,806,149.40

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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.