Home / 53,145,602.70-79,718,404.05-12,756,086.70

Finding the Fourth Proportional to 53,145,602.70, 79,718,404.05 and 12,756,086.70

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Solution

The fourth proportional to 53,145,602.70, 79,718,404.05 and 12,756,086.70 is: 19,134,130.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,145,602.70 : 79,718,404.05 = 12,756,086.70 : x
  2. Step 2: Convert to fraction form
    53,145,602.70/79,718,404.05 = 12,756,086.70/x
  3. Step 3: Cross multiply
    53,145,602.70x = 79,718,404.05 × 12,756,086.70
  4. Step 4: Simplify right side
    53,145,602.70x = 1,016,894,873,647,431
  5. Step 5: Solve for x
    x = 1,016,894,873,647,431/53,145,602.70
  6. Step 6: Final answer
    x = 19,134,130.05

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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.