Home / 27,309,140.20-40,963,710.30-12,960,233.20

Finding the Fourth Proportional to 27,309,140.20, 40,963,710.30 and 12,960,233.20

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Solution

The fourth proportional to 27,309,140.20, 40,963,710.30 and 12,960,233.20 is: 19,440,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,309,140.20 : 40,963,710.30 = 12,960,233.20 : x
  2. Step 2: Convert to fraction form
    27,309,140.20/40,963,710.30 = 12,960,233.20/x
  3. Step 3: Cross multiply
    27,309,140.20x = 40,963,710.30 × 12,960,233.20
  4. Step 4: Simplify right side
    27,309,140.20x = 530,899,238,225,241.88
  5. Step 5: Solve for x
    x = 530,899,238,225,241.88/27,309,140.20
  6. Step 6: Final answer
    x = 19,440,349.80

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1.5x scale

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.