Home / 13,787,459.52-20,690,636.16-4,812,011.52

Finding the Fourth Proportional to 13,787,459.52, 20,690,636.16 and 4,812,011.52

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Solution

The fourth proportional to 13,787,459.52, 20,690,636.16 and 4,812,011.52 is: 7,221,314.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787,459.52 : 20,690,636.16 = 4,812,011.52 : x
  2. Step 2: Convert to fraction form
    13,787,459.52/20,690,636.16 = 4,812,011.52/x
  3. Step 3: Cross multiply
    13,787,459.52x = 20,690,636.16 × 4,812,011.52
  4. Step 4: Simplify right side
    13,787,459.52x = 99,563,579,558,048.55
  5. Step 5: Solve for x
    x = 99,563,579,558,048.55/13,787,459.52
  6. Step 6: Final answer
    x = 7,221,314.37

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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.