Home / 8,142,457.70-12,213,686.55-4,152,851.30

Finding the Fourth Proportional to 8,142,457.70, 12,213,686.55 and 4,152,851.30

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Solution

The fourth proportional to 8,142,457.70, 12,213,686.55 and 4,152,851.30 is: 6,229,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142,457.70 : 12,213,686.55 = 4,152,851.30 : x
  2. Step 2: Convert to fraction form
    8,142,457.70/12,213,686.55 = 4,152,851.30/x
  3. Step 3: Cross multiply
    8,142,457.70x = 12,213,686.55 × 4,152,851.30
  4. Step 4: Simplify right side
    8,142,457.70x = 50,721,624,066,960.02
  5. Step 5: Solve for x
    x = 50,721,624,066,960.02/8,142,457.70
  6. Step 6: Final answer
    x = 6,229,276.95

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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.