Home / 30,392,452.80-45,588,679.20-9,117,316.80

Finding the Fourth Proportional to 30,392,452.80, 45,588,679.20 and 9,117,316.80

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Solution

The fourth proportional to 30,392,452.80, 45,588,679.20 and 9,117,316.80 is: 13,675,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,392,452.80 : 45,588,679.20 = 9,117,316.80 : x
  2. Step 2: Convert to fraction form
    30,392,452.80/45,588,679.20 = 9,117,316.80/x
  3. Step 3: Cross multiply
    30,392,452.80x = 45,588,679.20 × 9,117,316.80
  4. Step 4: Simplify right side
    30,392,452.80x = 415,646,430,759,970.62
  5. Step 5: Solve for x
    x = 415,646,430,759,970.62/30,392,452.80
  6. Step 6: Final answer
    x = 13,675,975.20

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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.