Home / 28,397,284.30-39,191,365.92-16,478,723.31

Finding the Fourth Proportional to 28,397,284.30, 39,191,365.92 and 16,478,723.31

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Solution

The fourth proportional to 28,397,284.30, 39,191,365.92 and 16,478,723.31 is: 22,742,444.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,397,284.30 : 39,191,365.92 = 16,478,723.31 : x
  2. Step 2: Convert to fraction form
    28,397,284.30/39,191,365.92 = 16,478,723.31/x
  3. Step 3: Cross multiply
    28,397,284.30x = 39,191,365.92 × 16,478,723.31
  4. Step 4: Simplify right side
    28,397,284.30x = 645,823,675,136,643.62
  5. Step 5: Solve for x
    x = 645,823,675,136,643.62/28,397,284.30
  6. Step 6: Final answer
    x = 22,742,444.96

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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.