Home / 30,006,381.60-45,004,330.80-8,435,862

Finding the Fourth Proportional to 30,006,381.60, 45,004,330.80 and 8,435,862

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Solution

The fourth proportional to 30,006,381.60, 45,004,330.80 and 8,435,862 is: 12,652,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,006,381.60 : 45,004,330.80 = 8,435,862 : x
  2. Step 2: Convert to fraction form
    30,006,381.60/45,004,330.80 = 8,435,862/x
  3. Step 3: Cross multiply
    30,006,381.60x = 45,004,330.80 × 8,435,862
  4. Step 4: Simplify right side
    30,006,381.60x = 379,650,324,031,149.56
  5. Step 5: Solve for x
    x = 379,650,324,031,149.56/30,006,381.60
  6. Step 6: Final answer
    x = 12,652,319.40

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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.