Home / 30,043,865.46-45,064,443.87-12,529,210.38

Finding the Fourth Proportional to 30,043,865.46, 45,064,443.87 and 12,529,210.38

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Solution

The fourth proportional to 30,043,865.46, 45,064,443.87 and 12,529,210.38 is: 18,793,250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,043,865.46 : 45,064,443.87 = 12,529,210.38 : x
  2. Step 2: Convert to fraction form
    30,043,865.46/45,064,443.87 = 12,529,210.38/x
  3. Step 3: Cross multiply
    30,043,865.46x = 45,064,443.87 × 12,529,210.38
  4. Step 4: Simplify right side
    30,043,865.46x = 564,621,897,904,931.38
  5. Step 5: Solve for x
    x = 564,621,897,904,931.38/30,043,865.46
  6. Step 6: Final answer
    x = 18,793,250.78

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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.