Home / 19,939,259.48-29,896,111.74-8,421,605.96

Finding the Fourth Proportional to 19,939,259.48, 29,896,111.74 and 8,421,605.96

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Solution

The fourth proportional to 19,939,259.48, 29,896,111.74 and 8,421,605.96 is: 12,627,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,939,259.48 : 29,896,111.74 = 8,421,605.96 : x
  2. Step 2: Convert to fraction form
    19,939,259.48/29,896,111.74 = 8,421,605.96/x
  3. Step 3: Cross multiply
    19,939,259.48x = 29,896,111.74 × 8,421,605.96
  4. Step 4: Simplify right side
    19,939,259.48x = 251,773,272,810,409.97
  5. Step 5: Solve for x
    x = 251,773,272,810,409.97/19,939,259.48
  6. Step 6: Final answer
    x = 12,627,012.20

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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.