Home / 30,989,439.90-46,485,909.45-9,424,745.10

Finding the Fourth Proportional to 30,989,439.90, 46,485,909.45 and 9,424,745.10

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Solution

The fourth proportional to 30,989,439.90, 46,485,909.45 and 9,424,745.10 is: 14,137,649.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,989,439.90 : 46,485,909.45 = 9,424,745.10 : x
  2. Step 2: Convert to fraction form
    30,989,439.90/46,485,909.45 = 9,424,745.10/x
  3. Step 3: Cross multiply
    30,989,439.90x = 46,485,909.45 × 9,424,745.10
  4. Step 4: Simplify right side
    30,989,439.90x = 438,117,847,307,931.19
  5. Step 5: Solve for x
    x = 438,117,847,307,931.19/30,989,439.90
  6. Step 6: Final answer
    x = 14,137,649.75

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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.