Home / 42,565,012.85-63,847,520.12-10,216,915.38

Finding the Fourth Proportional to 42,565,012.85, 63,847,520.12 and 10,216,915.38

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Solution

The fourth proportional to 42,565,012.85, 63,847,520.12 and 10,216,915.38 is: 15,325,373.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,565,012.85 : 63,847,520.12 = 10,216,915.38 : x
  2. Step 2: Convert to fraction form
    42,565,012.85/63,847,520.12 = 10,216,915.38/x
  3. Step 3: Cross multiply
    42,565,012.85x = 63,847,520.12 × 10,216,915.38
  4. Step 4: Simplify right side
    42,565,012.85x = 652,324,710,237,803
  5. Step 5: Solve for x
    x = 652,324,710,237,803/42,565,012.85
  6. Step 6: Final answer
    x = 15,325,373.27

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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.