Home / 28,232,292.30-42,348,438.45-16,866,890.70

Finding the Fourth Proportional to 28,232,292.30, 42,348,438.45 and 16,866,890.70

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Solution

The fourth proportional to 28,232,292.30, 42,348,438.45 and 16,866,890.70 is: 25,300,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232,292.30 : 42,348,438.45 = 16,866,890.70 : x
  2. Step 2: Convert to fraction form
    28,232,292.30/42,348,438.45 = 16,866,890.70/x
  3. Step 3: Cross multiply
    28,232,292.30x = 42,348,438.45 × 16,866,890.70
  4. Step 4: Simplify right side
    28,232,292.30x = 714,286,482,651,827.38
  5. Step 5: Solve for x
    x = 714,286,482,651,827.38/28,232,292.30
  6. Step 6: Final answer
    x = 25,300,336.05

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1.5x scale

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.