Home / 27,559,031.80-41,338,547.70-18,949,687.60

Finding the Fourth Proportional to 27,559,031.80, 41,338,547.70 and 18,949,687.60

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Solution

The fourth proportional to 27,559,031.80, 41,338,547.70 and 18,949,687.60 is: 28,424,531.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,559,031.80 : 41,338,547.70 = 18,949,687.60 : x
  2. Step 2: Convert to fraction form
    27,559,031.80/41,338,547.70 = 18,949,687.60/x
  3. Step 3: Cross multiply
    27,559,031.80x = 41,338,547.70 × 18,949,687.60
  4. Step 4: Simplify right side
    27,559,031.80x = 783,352,564,752,698.62
  5. Step 5: Solve for x
    x = 783,352,564,752,698.62/27,559,031.80
  6. Step 6: Final answer
    x = 28,424,531.40

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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.