Home / 30,209,806.20-45,208,421.10-27,658,889.40

Finding the Fourth Proportional to 30,209,806.20, 45,208,421.10 and 27,658,889.40

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Solution

The fourth proportional to 30,209,806.20, 45,208,421.10 and 27,658,889.40 is: 41,391,020.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,209,806.20 : 45,208,421.10 = 27,658,889.40 : x
  2. Step 2: Convert to fraction form
    30,209,806.20/45,208,421.10 = 27,658,889.40/x
  3. Step 3: Cross multiply
    30,209,806.20x = 45,208,421.10 × 27,658,889.40
  4. Step 4: Simplify right side
    30,209,806.20x = 1,250,414,719,153,526.25
  5. Step 5: Solve for x
    x = 1,250,414,719,153,526.25/30,209,806.20
  6. Step 6: Final answer
    x = 41,391,020.88

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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.