Home / 12,579,938.16-18,869,803.56-3,604,498.80

Finding the Fourth Proportional to 12,579,938.16, 18,869,803.56 and 3,604,498.80

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Solution

The fourth proportional to 12,579,938.16, 18,869,803.56 and 3,604,498.80 is: 5,406,718.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,579,938.16 : 18,869,803.56 = 3,604,498.80 : x
  2. Step 2: Convert to fraction form
    12,579,938.16/18,869,803.56 = 3,604,498.80/x
  3. Step 3: Cross multiply
    12,579,938.16x = 18,869,803.56 × 3,604,498.80
  4. Step 4: Simplify right side
    12,579,938.16x = 68,016,184,288,255.72
  5. Step 5: Solve for x
    x = 68,016,184,288,255.72/12,579,938.16
  6. Step 6: Final answer
    x = 5,406,718.49

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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.