Home / 30,360,295.15-45,492,779.11-20,649,539.48

Finding the Fourth Proportional to 30,360,295.15, 45,492,779.11 and 20,649,539.48

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Solution

The fourth proportional to 30,360,295.15, 45,492,779.11 and 20,649,539.48 is: 30,941,890.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,360,295.15 : 45,492,779.11 = 20,649,539.48 : x
  2. Step 2: Convert to fraction form
    30,360,295.15/45,492,779.11 = 20,649,539.48/x
  3. Step 3: Cross multiply
    30,360,295.15x = 45,492,779.11 × 20,649,539.48
  4. Step 4: Simplify right side
    30,360,295.15x = 939,404,938,007,776.62
  5. Step 5: Solve for x
    x = 939,404,938,007,776.62/30,360,295.15
  6. Step 6: Final answer
    x = 30,941,890.83

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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.