Home / 12,459,068.60-18,685,103.70-3,942,015.80

Finding the Fourth Proportional to 12,459,068.60, 18,685,103.70 and 3,942,015.80

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Solution

The fourth proportional to 12,459,068.60, 18,685,103.70 and 3,942,015.80 is: 5,911,916.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459,068.60 : 18,685,103.70 = 3,942,015.80 : x
  2. Step 2: Convert to fraction form
    12,459,068.60/18,685,103.70 = 3,942,015.80/x
  3. Step 3: Cross multiply
    12,459,068.60x = 18,685,103.70 × 3,942,015.80
  4. Step 4: Simplify right side
    12,459,068.60x = 73,656,974,010,038.45
  5. Step 5: Solve for x
    x = 73,656,974,010,038.45/12,459,068.60
  6. Step 6: Final answer
    x = 5,911,916.56

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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.