Home / 14,492,874.60-19,999,942.74-7,966,364.40

Finding the Fourth Proportional to 14,492,874.60, 19,999,942.74 and 7,966,364.40

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Solution

The fourth proportional to 14,492,874.60, 19,999,942.74 and 7,966,364.40 is: 10,993,459.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,492,874.60 : 19,999,942.74 = 7,966,364.40 : x
  2. Step 2: Convert to fraction form
    14,492,874.60/19,999,942.74 = 7,966,364.40/x
  3. Step 3: Cross multiply
    14,492,874.60x = 19,999,942.74 × 7,966,364.40
  4. Step 4: Simplify right side
    14,492,874.60x = 159,326,831,845,974.44
  5. Step 5: Solve for x
    x = 159,326,831,845,974.44/14,492,874.60
  6. Step 6: Final answer
    x = 10,993,459.63

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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.