Home / 28,610,511.40-42,915,767.10-16,517,276.20

Finding the Fourth Proportional to 28,610,511.40, 42,915,767.10 and 16,517,276.20

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Solution

The fourth proportional to 28,610,511.40, 42,915,767.10 and 16,517,276.20 is: 24,775,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,610,511.40 : 42,915,767.10 = 16,517,276.20 : x
  2. Step 2: Convert to fraction form
    28,610,511.40/42,915,767.10 = 16,517,276.20/x
  3. Step 3: Cross multiply
    28,610,511.40x = 42,915,767.10 × 16,517,276.20
  4. Step 4: Simplify right side
    28,610,511.40x = 708,851,578,525,573
  5. Step 5: Solve for x
    x = 708,851,578,525,573/28,610,511.40
  6. Step 6: Final answer
    x = 24,775,914.30

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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.