Home / 21,038,670,571.20-29,033,381,040.96-11,393,475,411.84

Finding the Fourth Proportional to 21,038,670,571.20, 29,033,381,040.96 and 11,393,475,411.84

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Solution

The fourth proportional to 21,038,670,571.20, 29,033,381,040.96 and 11,393,475,411.84 is: 15,723,004,545.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,038,670,571.20 : 29,033,381,040.96 = 11,393,475,411.84 : x
  2. Step 2: Convert to fraction form
    21,038,670,571.20/29,033,381,040.96 = 11,393,475,411.84/x
  3. Step 3: Cross multiply
    21,038,670,571.20x = 29,033,381,040.96 × 11,393,475,411.84
  4. Step 4: Simplify right side
    21,038,670,571.20x = 330,791,113,012,759,363,584
  5. Step 5: Solve for x
    x = 330,791,113,012,759,363,584/21,038,670,571.20
  6. Step 6: Final answer
    x = 15,723,004,545.05

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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.