Home / 37,299,817.47-51,472,966.80-20,779,919.31

Finding the Fourth Proportional to 37,299,817.47, 51,472,966.80 and 20,779,919.31

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Solution

The fourth proportional to 37,299,817.47, 51,472,966.80 and 20,779,919.31 is: 28,675,853.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,299,817.47 : 51,472,966.80 = 20,779,919.31 : x
  2. Step 2: Convert to fraction form
    37,299,817.47/51,472,966.80 = 20,779,919.31/x
  3. Step 3: Cross multiply
    37,299,817.47x = 51,472,966.80 × 20,779,919.31
  4. Step 4: Simplify right side
    37,299,817.47x = 1,069,604,096,750,308.75
  5. Step 5: Solve for x
    x = 1,069,604,096,750,308.75/37,299,817.47
  6. Step 6: Final answer
    x = 28,675,853.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.