Home / 13,618,137.84-18,793,025.64-7,506,668.40

Finding the Fourth Proportional to 13,618,137.84, 18,793,025.64 and 7,506,668.40

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Solution

The fourth proportional to 13,618,137.84, 18,793,025.64 and 7,506,668.40 is: 10,359,199.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,618,137.84 : 18,793,025.64 = 7,506,668.40 : x
  2. Step 2: Convert to fraction form
    13,618,137.84/18,793,025.64 = 7,506,668.40/x
  3. Step 3: Cross multiply
    13,618,137.84x = 18,793,025.64 × 7,506,668.40
  4. Step 4: Simplify right side
    13,618,137.84x = 141,073,011,712,177.78
  5. Step 5: Solve for x
    x = 141,073,011,712,177.78/13,618,137.84
  6. Step 6: Final answer
    x = 10,359,199.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.