Home / 28,397,445.24-39,191,588.40-16,478,884.37

Finding the Fourth Proportional to 28,397,445.24, 39,191,588.40 and 16,478,884.37

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Solution

The fourth proportional to 28,397,445.24, 39,191,588.40 and 16,478,884.37 is: 22,742,667.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,397,445.24 : 39,191,588.40 = 16,478,884.37 : x
  2. Step 2: Convert to fraction form
    28,397,445.24/39,191,588.40 = 16,478,884.37/x
  3. Step 3: Cross multiply
    28,397,445.24x = 39,191,588.40 × 16,478,884.37
  4. Step 4: Simplify right side
    28,397,445.24x = 645,833,653,459,555.50
  5. Step 5: Solve for x
    x = 645,833,653,459,555.50/28,397,445.24
  6. Step 6: Final answer
    x = 22,742,667.44

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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.