Home / 34,421,899.35-47,487,987.81-20,480,466.90

Finding the Fourth Proportional to 34,421,899.35, 47,487,987.81 and 20,480,466.90

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Solution

The fourth proportional to 34,421,899.35, 47,487,987.81 and 20,480,466.90 is: 28,254,575.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,421,899.35 : 47,487,987.81 = 20,480,466.90 : x
  2. Step 2: Convert to fraction form
    34,421,899.35/47,487,987.81 = 20,480,466.90/x
  3. Step 3: Cross multiply
    34,421,899.35x = 47,487,987.81 × 20,480,466.90
  4. Step 4: Simplify right side
    34,421,899.35x = 972,576,162,490,308.50
  5. Step 5: Solve for x
    x = 972,576,162,490,308.50/34,421,899.35
  6. Step 6: Final answer
    x = 28,254,575.75

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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.