Home / 11,813,948-16,303,254.72-6,381,440

Finding the Fourth Proportional to 11,813,948, 16,303,254.72 and 6,381,440

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Solution

The fourth proportional to 11,813,948, 16,303,254.72 and 6,381,440 is: 8,806,390.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813,948 : 16,303,254.72 = 6,381,440 : x
  2. Step 2: Convert to fraction form
    11,813,948/16,303,254.72 = 6,381,440/x
  3. Step 3: Cross multiply
    11,813,948x = 16,303,254.72 × 6,381,440
  4. Step 4: Simplify right side
    11,813,948x = 104,038,241,800,396.80
  5. Step 5: Solve for x
    x = 104,038,241,800,396.80/11,813,948
  6. Step 6: Final answer
    x = 8,806,390.70

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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.