Home / 28,435,094.98-39,240,312.24-15,382,321.42

Finding the Fourth Proportional to 28,435,094.98, 39,240,312.24 and 15,382,321.42

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Solution

The fourth proportional to 28,435,094.98, 39,240,312.24 and 15,382,321.42 is: 21,227,539.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,435,094.98 : 39,240,312.24 = 15,382,321.42 : x
  2. Step 2: Convert to fraction form
    28,435,094.98/39,240,312.24 = 15,382,321.42/x
  3. Step 3: Cross multiply
    28,435,094.98x = 39,240,312.24 × 15,382,321.42
  4. Step 4: Simplify right side
    28,435,094.98x = 603,607,095,496,840.25
  5. Step 5: Solve for x
    x = 603,607,095,496,840.25/28,435,094.98
  6. Step 6: Final answer
    x = 21,227,539.28

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1.5x scale

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.