Home / 12,358,891.40-18,538,337.10-10,492,651.40

Finding the Fourth Proportional to 12,358,891.40, 18,538,337.10 and 10,492,651.40

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Solution

The fourth proportional to 12,358,891.40, 18,538,337.10 and 10,492,651.40 is: 15,738,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358,891.40 : 18,538,337.10 = 10,492,651.40 : x
  2. Step 2: Convert to fraction form
    12,358,891.40/18,538,337.10 = 10,492,651.40/x
  3. Step 3: Cross multiply
    12,358,891.40x = 18,538,337.10 × 10,492,651.40
  4. Step 4: Simplify right side
    12,358,891.40x = 194,516,308,725,986.97
  5. Step 5: Solve for x
    x = 194,516,308,725,986.97/12,358,891.40
  6. Step 6: Final answer
    x = 15,738,977.10

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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.