Home / 9,143,430-13,715,117.64-2,319,990

Finding the Fourth Proportional to 9,143,430, 13,715,117.64 and 2,319,990

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Solution

The fourth proportional to 9,143,430, 13,715,117.64 and 2,319,990 is: 3,479,978.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143,430 : 13,715,117.64 = 2,319,990 : x
  2. Step 2: Convert to fraction form
    9,143,430/13,715,117.64 = 2,319,990/x
  3. Step 3: Cross multiply
    9,143,430x = 13,715,117.64 × 2,319,990
  4. Step 4: Simplify right side
    9,143,430x = 31,818,935,773,623.60
  5. Step 5: Solve for x
    x = 31,818,935,773,623.60/9,143,430
  6. Step 6: Final answer
    x = 3,479,978.06

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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.