Home / 39,731,699.40-59,635,602.90-20,576,203.80

Finding the Fourth Proportional to 39,731,699.40, 59,635,602.90 and 20,576,203.80

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Solution

The fourth proportional to 39,731,699.40, 59,635,602.90 and 20,576,203.80 is: 30,884,012.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,731,699.40 : 59,635,602.90 = 20,576,203.80 : x
  2. Step 2: Convert to fraction form
    39,731,699.40/59,635,602.90 = 20,576,203.80/x
  3. Step 3: Cross multiply
    39,731,699.40x = 59,635,602.90 × 20,576,203.80
  4. Step 4: Simplify right side
    39,731,699.40x = 1,227,074,319,006,271
  5. Step 5: Solve for x
    x = 1,227,074,319,006,271/39,731,699.40
  6. Step 6: Final answer
    x = 30,884,012.96

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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.