Home / 30,887,420.25-46,343,980.22-13,606,776.57

Finding the Fourth Proportional to 30,887,420.25, 46,343,980.22 and 13,606,776.57

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Solution

The fourth proportional to 30,887,420.25, 46,343,980.22 and 13,606,776.57 is: 20,415,825.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,887,420.25 : 46,343,980.22 = 13,606,776.57 : x
  2. Step 2: Convert to fraction form
    30,887,420.25/46,343,980.22 = 13,606,776.57/x
  3. Step 3: Cross multiply
    30,887,420.25x = 46,343,980.22 × 13,606,776.57
  4. Step 4: Simplify right side
    30,887,420.25x = 630,592,184,218,039.50
  5. Step 5: Solve for x
    x = 630,592,184,218,039.50/30,887,420.25
  6. Step 6: Final answer
    x = 20,415,825.57

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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.