Home / 14,008,247.03-21,013,000.32-4,292,148.40

Finding the Fourth Proportional to 14,008,247.03, 21,013,000.32 and 4,292,148.40

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Solution

The fourth proportional to 14,008,247.03, 21,013,000.32 and 4,292,148.40 is: 6,438,415.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008,247.03 : 21,013,000.32 = 4,292,148.40 : x
  2. Step 2: Convert to fraction form
    14,008,247.03/21,013,000.32 = 4,292,148.40/x
  3. Step 3: Cross multiply
    14,008,247.03x = 21,013,000.32 × 4,292,148.40
  4. Step 4: Simplify right side
    14,008,247.03x = 90,190,915,702,687.50
  5. Step 5: Solve for x
    x = 90,190,915,702,687.50/14,008,247.03
  6. Step 6: Final answer
    x = 6,438,415.56

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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.