Home / 30,645,628.84-42,291,293.76-16,895,085.04

Finding the Fourth Proportional to 30,645,628.84, 42,291,293.76 and 16,895,085.04

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Solution

The fourth proportional to 30,645,628.84, 42,291,293.76 and 16,895,085.04 is: 23,315,397.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,645,628.84 : 42,291,293.76 = 16,895,085.04 : x
  2. Step 2: Convert to fraction form
    30,645,628.84/42,291,293.76 = 16,895,085.04/x
  3. Step 3: Cross multiply
    30,645,628.84x = 42,291,293.76 × 16,895,085.04
  4. Step 4: Simplify right side
    30,645,628.84x = 714,515,004,526,821.25
  5. Step 5: Solve for x
    x = 714,515,004,526,821.25/30,645,628.84
  6. Step 6: Final answer
    x = 23,315,397.06

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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.