Home / 11,813,953-16,303,261.86-6,381,445

Finding the Fourth Proportional to 11,813,953, 16,303,261.86 and 6,381,445

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Solution

The fourth proportional to 11,813,953, 16,303,261.86 and 6,381,445 is: 8,806,397.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813,953 : 16,303,261.86 = 6,381,445 : x
  2. Step 2: Convert to fraction form
    11,813,953/16,303,261.86 = 6,381,445/x
  3. Step 3: Cross multiply
    11,813,953x = 16,303,261.86 × 6,381,445
  4. Step 4: Simplify right side
    11,813,953x = 104,038,368,880,187.70
  5. Step 5: Solve for x
    x = 104,038,368,880,187.70/11,813,953
  6. Step 6: Final answer
    x = 8,806,397.73

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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.