Home / 28,082,493.40-42,123,740.10-23,547,530.20

Finding the Fourth Proportional to 28,082,493.40, 42,123,740.10 and 23,547,530.20

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Solution

The fourth proportional to 28,082,493.40, 42,123,740.10 and 23,547,530.20 is: 35,321,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,493.40 : 42,123,740.10 = 23,547,530.20 : x
  2. Step 2: Convert to fraction form
    28,082,493.40/42,123,740.10 = 23,547,530.20/x
  3. Step 3: Cross multiply
    28,082,493.40x = 42,123,740.10 × 23,547,530.20
  4. Step 4: Simplify right side
    28,082,493.40x = 991,910,042,141,701
  5. Step 5: Solve for x
    x = 991,910,042,141,701/28,082,493.40
  6. Step 6: Final answer
    x = 35,321,295.30

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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.