Home / 30,132,000.55-45,198,000.83-18,038,765.35

Finding the Fourth Proportional to 30,132,000.55, 45,198,000.83 and 18,038,765.35

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Solution

The fourth proportional to 30,132,000.55, 45,198,000.83 and 18,038,765.35 is: 27,058,148.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,132,000.55 : 45,198,000.83 = 18,038,765.35 : x
  2. Step 2: Convert to fraction form
    30,132,000.55/45,198,000.83 = 18,038,765.35/x
  3. Step 3: Cross multiply
    30,132,000.55x = 45,198,000.83 × 18,038,765.35
  4. Step 4: Simplify right side
    30,132,000.55x = 815,316,131,171,281.50
  5. Step 5: Solve for x
    x = 815,316,131,171,281.50/30,132,000.55
  6. Step 6: Final answer
    x = 27,058,148.03

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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.