Home / 13,935,645.72-20,903,678.64-4,838,032.20

Finding the Fourth Proportional to 13,935,645.72, 20,903,678.64 and 4,838,032.20

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Solution

The fourth proportional to 13,935,645.72, 20,903,678.64 and 4,838,032.20 is: 7,257,121.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935,645.72 : 20,903,678.64 = 4,838,032.20 : x
  2. Step 2: Convert to fraction form
    13,935,645.72/20,903,678.64 = 4,838,032.20/x
  3. Step 3: Cross multiply
    13,935,645.72x = 20,903,678.64 × 4,838,032.20
  4. Step 4: Simplify right side
    13,935,645.72x = 101,132,670,358,772.22
  5. Step 5: Solve for x
    x = 101,132,670,358,772.22/13,935,645.72
  6. Step 6: Final answer
    x = 7,257,121.23

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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.