Home / 27,131,031.80-40,696,547.70-18,521,687.60

Finding the Fourth Proportional to 27,131,031.80, 40,696,547.70 and 18,521,687.60

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Solution

The fourth proportional to 27,131,031.80, 40,696,547.70 and 18,521,687.60 is: 27,782,531.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,131,031.80 : 40,696,547.70 = 18,521,687.60 : x
  2. Step 2: Convert to fraction form
    27,131,031.80/40,696,547.70 = 18,521,687.60/x
  3. Step 3: Cross multiply
    27,131,031.80x = 40,696,547.70 × 18,521,687.60
  4. Step 4: Simplify right side
    27,131,031.80x = 753,768,742,897,898.62
  5. Step 5: Solve for x
    x = 753,768,742,897,898.62/27,131,031.80
  6. Step 6: Final answer
    x = 27,782,531.40

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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.