Home / 40,835,814.40-61,236,006.90-13,531,556.80

Finding the Fourth Proportional to 40,835,814.40, 61,236,006.90 and 13,531,556.80

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Solution

The fourth proportional to 40,835,814.40, 61,236,006.90 and 13,531,556.80 is: 20,291,465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,835,814.40 : 61,236,006.90 = 13,531,556.80 : x
  2. Step 2: Convert to fraction form
    40,835,814.40/61,236,006.90 = 13,531,556.80/x
  3. Step 3: Cross multiply
    40,835,814.40x = 61,236,006.90 × 13,531,556.80
  4. Step 4: Simplify right side
    40,835,814.40x = 828,618,505,572,542
  5. Step 5: Solve for x
    x = 828,618,505,572,542/40,835,814.40
  6. Step 6: Final answer
    x = 20,291,465.17

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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.