Home / 21,038,670,573.20-29,033,381,043.72-11,393,475,413.84

Finding the Fourth Proportional to 21,038,670,573.20, 29,033,381,043.72 and 11,393,475,413.84

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Solution

The fourth proportional to 21,038,670,573.20, 29,033,381,043.72 and 11,393,475,413.84 is: 15,723,004,547.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,038,670,573.20 : 29,033,381,043.72 = 11,393,475,413.84 : x
  2. Step 2: Convert to fraction form
    21,038,670,573.20/29,033,381,043.72 = 11,393,475,413.84/x
  3. Step 3: Cross multiply
    21,038,670,573.20x = 29,033,381,043.72 × 11,393,475,413.84
  4. Step 4: Simplify right side
    21,038,670,573.20x = 330,791,113,102,272,167,936
  5. Step 5: Solve for x
    x = 330,791,113,102,272,167,936/21,038,670,573.20
  6. Step 6: Final answer
    x = 15,723,004,547.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.