Home / 9,917,010.80-14,879,663.40-3,187,487.60

Finding the Fourth Proportional to 9,917,010.80, 14,879,663.40 and 3,187,487.60

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Solution

The fourth proportional to 9,917,010.80, 14,879,663.40 and 3,187,487.60 is: 4,782,564.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,917,010.80 : 14,879,663.40 = 3,187,487.60 : x
  2. Step 2: Convert to fraction form
    9,917,010.80/14,879,663.40 = 3,187,487.60/x
  3. Step 3: Cross multiply
    9,917,010.80x = 14,879,663.40 × 3,187,487.60
  4. Step 4: Simplify right side
    9,917,010.80x = 47,428,742,579,673.84
  5. Step 5: Solve for x
    x = 47,428,742,579,673.84/9,917,010.80
  6. Step 6: Final answer
    x = 4,782,564.38

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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.