Home / 11,905,509.48-17,860,038.77-4,228,509.35

Finding the Fourth Proportional to 11,905,509.48, 17,860,038.77 and 4,228,509.35

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Solution

The fourth proportional to 11,905,509.48, 17,860,038.77 and 4,228,509.35 is: 6,343,394.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905,509.48 : 17,860,038.77 = 4,228,509.35 : x
  2. Step 2: Convert to fraction form
    11,905,509.48/17,860,038.77 = 4,228,509.35/x
  3. Step 3: Cross multiply
    11,905,509.48x = 17,860,038.77 × 4,228,509.35
  4. Step 4: Simplify right side
    11,905,509.48x = 75,521,340,909,164.95
  5. Step 5: Solve for x
    x = 75,521,340,909,164.95/11,905,509.48
  6. Step 6: Final answer
    x = 6,343,394.29

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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.