Home / 13,140,220.60-19,700,999.70-5,050,070.20

Finding the Fourth Proportional to 13,140,220.60, 19,700,999.70 and 5,050,070.20

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Solution

The fourth proportional to 13,140,220.60, 19,700,999.70 and 5,050,070.20 is: 7,571,519.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140,220.60 : 19,700,999.70 = 5,050,070.20 : x
  2. Step 2: Convert to fraction form
    13,140,220.60/19,700,999.70 = 5,050,070.20/x
  3. Step 3: Cross multiply
    13,140,220.60x = 19,700,999.70 × 5,050,070.20
  4. Step 4: Simplify right side
    13,140,220.60x = 99,491,431,495,178.94
  5. Step 5: Solve for x
    x = 99,491,431,495,178.94/13,140,220.60
  6. Step 6: Final answer
    x = 7,571,519.12

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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.