Home / 30,347,008.60-45,508,530.88-12,147,811.56

Finding the Fourth Proportional to 30,347,008.60, 45,508,530.88 and 12,147,811.56

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Solution

The fourth proportional to 30,347,008.60, 45,508,530.88 and 12,147,811.56 is: 18,216,920.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,347,008.60 : 45,508,530.88 = 12,147,811.56 : x
  2. Step 2: Convert to fraction form
    30,347,008.60/45,508,530.88 = 12,147,811.56/x
  3. Step 3: Cross multiply
    30,347,008.60x = 45,508,530.88 × 12,147,811.56
  4. Step 4: Simplify right side
    30,347,008.60x = 552,829,057,502,681
  5. Step 5: Solve for x
    x = 552,829,057,502,681/30,347,008.60
  6. Step 6: Final answer
    x = 18,216,920.98

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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.