Home / 18,430,603.20-27,610,653.60-9,908,107.20

Finding the Fourth Proportional to 18,430,603.20, 27,610,653.60 and 9,908,107.20

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Solution

The fourth proportional to 18,430,603.20, 27,610,653.60 and 9,908,107.20 is: 14,843,210.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430,603.20 : 27,610,653.60 = 9,908,107.20 : x
  2. Step 2: Convert to fraction form
    18,430,603.20/27,610,653.60 = 9,908,107.20/x
  3. Step 3: Cross multiply
    18,430,603.20x = 27,610,653.60 × 9,908,107.20
  4. Step 4: Simplify right side
    18,430,603.20x = 273,569,315,730,865.91
  5. Step 5: Solve for x
    x = 273,569,315,730,865.91/18,430,603.20
  6. Step 6: Final answer
    x = 14,843,210.11

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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.