Home / 13,141,038.58-18,134,442.21-7,339,902.82

Finding the Fourth Proportional to 13,141,038.58, 18,134,442.21 and 7,339,902.82

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Solution

The fourth proportional to 13,141,038.58, 18,134,442.21 and 7,339,902.82 is: 10,128,959.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141,038.58 : 18,134,442.21 = 7,339,902.82 : x
  2. Step 2: Convert to fraction form
    13,141,038.58/18,134,442.21 = 7,339,902.82/x
  3. Step 3: Cross multiply
    13,141,038.58x = 18,134,442.21 × 7,339,902.82
  4. Step 4: Simplify right side
    13,141,038.58x = 133,105,043,516,306.05
  5. Step 5: Solve for x
    x = 133,105,043,516,306.05/13,141,038.58
  6. Step 6: Final answer
    x = 10,128,959.19

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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.