Home / 30,984,759.90-46,478,889.45-9,420,065.10

Finding the Fourth Proportional to 30,984,759.90, 46,478,889.45 and 9,420,065.10

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Solution

The fourth proportional to 30,984,759.90, 46,478,889.45 and 9,420,065.10 is: 14,130,629.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,984,759.90 : 46,478,889.45 = 9,420,065.10 : x
  2. Step 2: Convert to fraction form
    30,984,759.90/46,478,889.45 = 9,420,065.10/x
  3. Step 3: Cross multiply
    30,984,759.90x = 46,478,889.45 × 9,420,065.10
  4. Step 4: Simplify right side
    30,984,759.90x = 437,834,164,394,703.19
  5. Step 5: Solve for x
    x = 437,834,164,394,703.19/30,984,759.90
  6. Step 6: Final answer
    x = 14,130,629.57

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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.