Home / 20,465,838.72-30,688,488.96-6,814,176.48

Finding the Fourth Proportional to 20,465,838.72, 30,688,488.96 and 6,814,176.48

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Solution

The fourth proportional to 20,465,838.72, 30,688,488.96 and 6,814,176.48 is: 10,217,845.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,465,838.72 : 30,688,488.96 = 6,814,176.48 : x
  2. Step 2: Convert to fraction form
    20,465,838.72/30,688,488.96 = 6,814,176.48/x
  3. Step 3: Cross multiply
    20,465,838.72x = 30,688,488.96 × 6,814,176.48
  4. Step 4: Simplify right side
    20,465,838.72x = 209,116,779,677,971.69
  5. Step 5: Solve for x
    x = 209,116,779,677,971.69/20,465,838.72
  6. Step 6: Final answer
    x = 10,217,845.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.