Home / 9,018,765.23-12,437,859.92-7,032,393.18

Finding the Fourth Proportional to 9,018,765.23, 12,437,859.92 and 7,032,393.18

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Solution

The fourth proportional to 9,018,765.23, 12,437,859.92 and 7,032,393.18 is: 9,698,436.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018,765.23 : 12,437,859.92 = 7,032,393.18 : x
  2. Step 2: Convert to fraction form
    9,018,765.23/12,437,859.92 = 7,032,393.18/x
  3. Step 3: Cross multiply
    9,018,765.23x = 12,437,859.92 × 7,032,393.18
  4. Step 4: Simplify right side
    9,018,765.23x = 87,467,921,240,041.38
  5. Step 5: Solve for x
    x = 87,467,921,240,041.38/9,018,765.23
  6. Step 6: Final answer
    x = 9,698,436.43

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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.