Home / 28,397,283.30-39,191,364.54-16,478,722.31

Finding the Fourth Proportional to 28,397,283.30, 39,191,364.54 and 16,478,722.31

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Solution

The fourth proportional to 28,397,283.30, 39,191,364.54 and 16,478,722.31 is: 22,742,443.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,397,283.30 : 39,191,364.54 = 16,478,722.31 : x
  2. Step 2: Convert to fraction form
    28,397,283.30/39,191,364.54 = 16,478,722.31/x
  3. Step 3: Cross multiply
    28,397,283.30x = 39,191,364.54 × 16,478,722.31
  4. Step 4: Simplify right side
    28,397,283.30x = 645,823,613,008,684
  5. Step 5: Solve for x
    x = 645,823,613,008,684/28,397,283.30
  6. Step 6: Final answer
    x = 22,742,443.57

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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.