Home / 30,486,299.04-45,738,431.76-12,281,125.92

Finding the Fourth Proportional to 30,486,299.04, 45,738,431.76 and 12,281,125.92

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Solution

The fourth proportional to 30,486,299.04, 45,738,431.76 and 12,281,125.92 is: 18,425,307.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,486,299.04 : 45,738,431.76 = 12,281,125.92 : x
  2. Step 2: Convert to fraction form
    30,486,299.04/45,738,431.76 = 12,281,125.92/x
  3. Step 3: Cross multiply
    30,486,299.04x = 45,738,431.76 × 12,281,125.92
  4. Step 4: Simplify right side
    30,486,299.04x = 561,719,439,827,887.19
  5. Step 5: Solve for x
    x = 561,719,439,827,887.19/30,486,299.04
  6. Step 6: Final answer
    x = 18,425,307.68

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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.