Home / 20,430,913.92-30,637,148.40-5,854,499.37

Finding the Fourth Proportional to 20,430,913.92, 30,637,148.40 and 5,854,499.37

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Solution

The fourth proportional to 20,430,913.92, 30,637,148.40 and 5,854,499.37 is: 8,779,106.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,430,913.92 : 30,637,148.40 = 5,854,499.37 : x
  2. Step 2: Convert to fraction form
    20,430,913.92/30,637,148.40 = 5,854,499.37/x
  3. Step 3: Cross multiply
    20,430,913.92x = 30,637,148.40 × 5,854,499.37
  4. Step 4: Simplify right side
    20,430,913.92x = 179,365,166,006,396.50
  5. Step 5: Solve for x
    x = 179,365,166,006,396.50/20,430,913.92
  6. Step 6: Final answer
    x = 8,779,106.34

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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.