Home / 30,631,941.60-42,272,087.16-16,693,300.84

Finding the Fourth Proportional to 30,631,941.60, 42,272,087.16 and 16,693,300.84

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Solution

The fourth proportional to 30,631,941.60, 42,272,087.16 and 16,693,300.84 is: 23,036,759.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,631,941.60 : 42,272,087.16 = 16,693,300.84 : x
  2. Step 2: Convert to fraction form
    30,631,941.60/42,272,087.16 = 16,693,300.84/x
  3. Step 3: Cross multiply
    30,631,941.60x = 42,272,087.16 × 16,693,300.84
  4. Step 4: Simplify right side
    30,631,941.60x = 705,660,668,096,581.12
  5. Step 5: Solve for x
    x = 705,660,668,096,581.12/30,631,941.60
  6. Step 6: Final answer
    x = 23,036,759.38

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1.5x scale

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.