Home / 30,919,904.60-46,379,856.90-19,423,866.20

Finding the Fourth Proportional to 30,919,904.60, 46,379,856.90 and 19,423,866.20

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Solution

The fourth proportional to 30,919,904.60, 46,379,856.90 and 19,423,866.20 is: 29,135,799.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,919,904.60 : 46,379,856.90 = 19,423,866.20 : x
  2. Step 2: Convert to fraction form
    30,919,904.60/46,379,856.90 = 19,423,866.20/x
  3. Step 3: Cross multiply
    30,919,904.60x = 46,379,856.90 × 19,423,866.20
  4. Step 4: Simplify right side
    30,919,904.60x = 900,876,134,800,746.75
  5. Step 5: Solve for x
    x = 900,876,134,800,746.75/30,919,904.60
  6. Step 6: Final answer
    x = 29,135,799.30

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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.