Home / 26,386,934.40-39,579,089.40-13,608,730.80

Finding the Fourth Proportional to 26,386,934.40, 39,579,089.40 and 13,608,730.80

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Solution

The fourth proportional to 26,386,934.40, 39,579,089.40 and 13,608,730.80 is: 20,412,419.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,386,934.40 : 39,579,089.40 = 13,608,730.80 : x
  2. Step 2: Convert to fraction form
    26,386,934.40/39,579,089.40 = 13,608,730.80/x
  3. Step 3: Cross multiply
    26,386,934.40x = 39,579,089.40 × 13,608,730.80
  4. Step 4: Simplify right side
    26,386,934.40x = 538,621,172,953,733.50
  5. Step 5: Solve for x
    x = 538,621,172,953,733.50/26,386,934.40
  6. Step 6: Final answer
    x = 20,412,419.45

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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.