Home / 19,126,421.52-26,394,471.45-10,866,498.09

Finding the Fourth Proportional to 19,126,421.52, 26,394,471.45 and 10,866,498.09

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Solution

The fourth proportional to 19,126,421.52, 26,394,471.45 and 10,866,498.09 is: 14,995,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126,421.52 : 26,394,471.45 = 10,866,498.09 : x
  2. Step 2: Convert to fraction form
    19,126,421.52/26,394,471.45 = 10,866,498.09/x
  3. Step 3: Cross multiply
    19,126,421.52x = 26,394,471.45 × 10,866,498.09
  4. Step 4: Simplify right side
    19,126,421.52x = 286,815,473,597,984.50
  5. Step 5: Solve for x
    x = 286,815,473,597,984.50/19,126,421.52
  6. Step 6: Final answer
    x = 14,995,772.90

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1.5x scale

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.