Home / 13,038,863.60-19,557,420.60-3,454,036.40

Finding the Fourth Proportional to 13,038,863.60, 19,557,420.60 and 3,454,036.40

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Solution

The fourth proportional to 13,038,863.60, 19,557,420.60 and 3,454,036.40 is: 5,180,822.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038,863.60 : 19,557,420.60 = 3,454,036.40 : x
  2. Step 2: Convert to fraction form
    13,038,863.60/19,557,420.60 = 3,454,036.40/x
  3. Step 3: Cross multiply
    13,038,863.60x = 19,557,420.60 × 3,454,036.40
  4. Step 4: Simplify right side
    13,038,863.60x = 67,552,042,642,509.84
  5. Step 5: Solve for x
    x = 67,552,042,642,509.84/13,038,863.60
  6. Step 6: Final answer
    x = 5,180,822.86

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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.