Home / 30,939,420.72-46,182,024.12-28,659,342

Finding the Fourth Proportional to 30,939,420.72, 46,182,024.12 and 28,659,342

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Solution

The fourth proportional to 30,939,420.72, 46,182,024.12 and 28,659,342 is: 42,778,642.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,939,420.72 : 46,182,024.12 = 28,659,342 : x
  2. Step 2: Convert to fraction form
    30,939,420.72/46,182,024.12 = 28,659,342/x
  3. Step 3: Cross multiply
    30,939,420.72x = 46,182,024.12 × 28,659,342
  4. Step 4: Simplify right side
    30,939,420.72x = 1,323,546,423,507,329
  5. Step 5: Solve for x
    x = 1,323,546,423,507,329/30,939,420.72
  6. Step 6: Final answer
    x = 42,778,642.67

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.