Home / 30,276,258.78-45,434,446.02-16,638,928.68

Finding the Fourth Proportional to 30,276,258.78, 45,434,446.02 and 16,638,928.68

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Solution

The fourth proportional to 30,276,258.78, 45,434,446.02 and 16,638,928.68 is: 24,969,416.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276,258.78 : 45,434,446.02 = 16,638,928.68 : x
  2. Step 2: Convert to fraction form
    30,276,258.78/45,434,446.02 = 16,638,928.68/x
  3. Step 3: Cross multiply
    30,276,258.78x = 45,434,446.02 × 16,638,928.68
  4. Step 4: Simplify right side
    30,276,258.78x = 755,980,506,942,089.88
  5. Step 5: Solve for x
    x = 755,980,506,942,089.88/30,276,258.78
  6. Step 6: Final answer
    x = 24,969,416.22

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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.