Home / 19,957,276.70-29,935,915.05-13,579,984.70

Finding the Fourth Proportional to 19,957,276.70, 29,935,915.05 and 13,579,984.70

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Solution

The fourth proportional to 19,957,276.70, 29,935,915.05 and 13,579,984.70 is: 20,369,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957,276.70 : 29,935,915.05 = 13,579,984.70 : x
  2. Step 2: Convert to fraction form
    19,957,276.70/29,935,915.05 = 13,579,984.70/x
  3. Step 3: Cross multiply
    19,957,276.70x = 29,935,915.05 × 13,579,984.70
  4. Step 4: Simplify right side
    19,957,276.70x = 406,529,268,359,499.75
  5. Step 5: Solve for x
    x = 406,529,268,359,499.75/19,957,276.70
  6. Step 6: Final answer
    x = 20,369,977.05

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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.