Home / 31,658,939.47-47,496,596.69-18,539,437.08

Finding the Fourth Proportional to 31,658,939.47, 47,496,596.69 and 18,539,437.08

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Solution

The fourth proportional to 31,658,939.47, 47,496,596.69 and 18,539,437.08 is: 27,813,950.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,658,939.47 : 47,496,596.69 = 18,539,437.08 : x
  2. Step 2: Convert to fraction form
    31,658,939.47/47,496,596.69 = 18,539,437.08/x
  3. Step 3: Cross multiply
    31,658,939.47x = 47,496,596.69 × 18,539,437.08
  4. Step 4: Simplify right side
    31,658,939.47x = 880,560,166,072,852.12
  5. Step 5: Solve for x
    x = 880,560,166,072,852.12/31,658,939.47
  6. Step 6: Final answer
    x = 27,813,950.21

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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.