Home / 13,878,626.15-19,153,935.39-7,998,466.79

Finding the Fourth Proportional to 13,878,626.15, 19,153,935.39 and 7,998,466.79

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Solution

The fourth proportional to 13,878,626.15, 19,153,935.39 and 7,998,466.79 is: 11,038,709.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,878,626.15 : 19,153,935.39 = 7,998,466.79 : x
  2. Step 2: Convert to fraction form
    13,878,626.15/19,153,935.39 = 7,998,466.79/x
  3. Step 3: Cross multiply
    13,878,626.15x = 19,153,935.39 × 7,998,466.79
  4. Step 4: Simplify right side
    13,878,626.15x = 153,202,116,018,951.03
  5. Step 5: Solve for x
    x = 153,202,116,018,951.03/13,878,626.15
  6. Step 6: Final answer
    x = 11,038,709.05

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1.5x scale

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.