Home / 28,225,142-38,909,467.04-19,950,605.64

Finding the Fourth Proportional to 28,225,142, 38,909,467.04 and 19,950,605.64

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Solution

The fourth proportional to 28,225,142, 38,909,467.04 and 19,950,605.64 is: 27,502,693.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,225,142 : 38,909,467.04 = 19,950,605.64 : x
  2. Step 2: Convert to fraction form
    28,225,142/38,909,467.04 = 19,950,605.64/x
  3. Step 3: Cross multiply
    28,225,142x = 38,909,467.04 × 19,950,605.64
  4. Step 4: Simplify right side
    28,225,142x = 776,267,432,577,618.12
  5. Step 5: Solve for x
    x = 776,267,432,577,618.12/28,225,142
  6. Step 6: Final answer
    x = 27,502,693.61

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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.