Home / 42,576,611.10-63,866,946.48-20,690,915.76

Finding the Fourth Proportional to 42,576,611.10, 63,866,946.48 and 20,690,915.76

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Solution

The fourth proportional to 42,576,611.10, 63,866,946.48 and 20,690,915.76 is: 31,037,360.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,576,611.10 : 63,866,946.48 = 20,690,915.76 : x
  2. Step 2: Convert to fraction form
    42,576,611.10/63,866,946.48 = 20,690,915.76/x
  3. Step 3: Cross multiply
    42,576,611.10x = 63,866,946.48 × 20,690,915.76
  4. Step 4: Simplify right side
    42,576,611.10x = 1,321,465,609,466,108.50
  5. Step 5: Solve for x
    x = 1,321,465,609,466,108.50/42,576,611.10
  6. Step 6: Final answer
    x = 31,037,360.07

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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.