Home / 30,330,424.50-45,495,636.75-10,135,666.50

Finding the Fourth Proportional to 30,330,424.50, 45,495,636.75 and 10,135,666.50

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Solution

The fourth proportional to 30,330,424.50, 45,495,636.75 and 10,135,666.50 is: 15,203,499.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330,424.50 : 45,495,636.75 = 10,135,666.50 : x
  2. Step 2: Convert to fraction form
    30,330,424.50/45,495,636.75 = 10,135,666.50/x
  3. Step 3: Cross multiply
    30,330,424.50x = 45,495,636.75 × 10,135,666.50
  4. Step 4: Simplify right side
    30,330,424.50x = 461,128,601,303,143.88
  5. Step 5: Solve for x
    x = 461,128,601,303,143.88/30,330,424.50
  6. Step 6: Final answer
    x = 15,203,499.75

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1.5x scale

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.