Home / 38,367,128.40-57,501,703.80-15,622,328.40

Finding the Fourth Proportional to 38,367,128.40, 57,501,703.80 and 15,622,328.40

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Solution

The fourth proportional to 38,367,128.40, 57,501,703.80 and 15,622,328.40 is: 23,413,545.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,367,128.40 : 57,501,703.80 = 15,622,328.40 : x
  2. Step 2: Convert to fraction form
    38,367,128.40/57,501,703.80 = 15,622,328.40/x
  3. Step 3: Cross multiply
    38,367,128.40x = 57,501,703.80 × 15,622,328.40
  4. Step 4: Simplify right side
    38,367,128.40x = 898,310,500,323,127.88
  5. Step 5: Solve for x
    x = 898,310,500,323,127.88/38,367,128.40
  6. Step 6: Final answer
    x = 23,413,545.34

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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.