Home / 30,421,328.64-45,601,287.48-19,069,748.88

Finding the Fourth Proportional to 30,421,328.64, 45,601,287.48 and 19,069,748.88

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Solution

The fourth proportional to 30,421,328.64, 45,601,287.48 and 19,069,748.88 is: 28,585,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,421,328.64 : 45,601,287.48 = 19,069,748.88 : x
  2. Step 2: Convert to fraction form
    30,421,328.64/45,601,287.48 = 19,069,748.88/x
  3. Step 3: Cross multiply
    30,421,328.64x = 45,601,287.48 × 19,069,748.88
  4. Step 4: Simplify right side
    30,421,328.64x = 869,605,100,848,287.88
  5. Step 5: Solve for x
    x = 869,605,100,848,287.88/30,421,328.64
  6. Step 6: Final answer
    x = 28,585,375.45

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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.