Home / 12,942,666,014.10-19,413,999,021.15-12,434,750,135.70

Finding the Fourth Proportional to 12,942,666,014.10, 19,413,999,021.15 and 12,434,750,135.70

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Solution

The fourth proportional to 12,942,666,014.10, 19,413,999,021.15 and 12,434,750,135.70 is: 18,652,125,203.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942,666,014.10 : 19,413,999,021.15 = 12,434,750,135.70 : x
  2. Step 2: Convert to fraction form
    12,942,666,014.10/19,413,999,021.15 = 12,434,750,135.70/x
  3. Step 3: Cross multiply
    12,942,666,014.10x = 19,413,999,021.15 × 12,434,750,135.70
  4. Step 4: Simplify right side
    12,942,666,014.10x = 241,408,226,962,724,651,008
  5. Step 5: Solve for x
    x = 241,408,226,962,724,651,008/12,942,666,014.10
  6. Step 6: Final answer
    x = 18,652,125,203.55

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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.