Home / 19,240,520.40-28,820,539.80-9,014,108.40

Finding the Fourth Proportional to 19,240,520.40, 28,820,539.80 and 9,014,108.40

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Solution

The fourth proportional to 19,240,520.40, 28,820,539.80 and 9,014,108.40 is: 13,502,309.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240,520.40 : 28,820,539.80 = 9,014,108.40 : x
  2. Step 2: Convert to fraction form
    19,240,520.40/28,820,539.80 = 9,014,108.40/x
  3. Step 3: Cross multiply
    19,240,520.40x = 28,820,539.80 × 9,014,108.40
  4. Step 4: Simplify right side
    19,240,520.40x = 259,791,469,903,714.34
  5. Step 5: Solve for x
    x = 259,791,469,903,714.34/19,240,520.40
  6. Step 6: Final answer
    x = 13,502,309.94

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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.