Home / 30,689,416.80-42,348,380.04-16,937,492.76

Finding the Fourth Proportional to 30,689,416.80, 42,348,380.04 and 16,937,492.76

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Solution

The fourth proportional to 30,689,416.80, 42,348,380.04 and 16,937,492.76 is: 23,372,075.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,689,416.80 : 42,348,380.04 = 16,937,492.76 : x
  2. Step 2: Convert to fraction form
    30,689,416.80/42,348,380.04 = 16,937,492.76/x
  3. Step 3: Cross multiply
    30,689,416.80x = 42,348,380.04 × 16,937,492.76
  4. Step 4: Simplify right side
    30,689,416.80x = 717,275,380,325,228.62
  5. Step 5: Solve for x
    x = 717,275,380,325,228.62/30,689,416.80
  6. Step 6: Final answer
    x = 23,372,075.95

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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.