Home / 30,645,612.84-42,291,271.62-16,895,069.04

Finding the Fourth Proportional to 30,645,612.84, 42,291,271.62 and 16,895,069.04

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Solution

The fourth proportional to 30,645,612.84, 42,291,271.62 and 16,895,069.04 is: 23,315,374.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,645,612.84 : 42,291,271.62 = 16,895,069.04 : x
  2. Step 2: Convert to fraction form
    30,645,612.84/42,291,271.62 = 16,895,069.04/x
  3. Step 3: Cross multiply
    30,645,612.84x = 42,291,271.62 × 16,895,069.04
  4. Step 4: Simplify right side
    30,645,612.84x = 714,513,953,809,292.50
  5. Step 5: Solve for x
    x = 714,513,953,809,292.50/30,645,612.84
  6. Step 6: Final answer
    x = 23,315,374.95

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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.