Home / 28,295,060.10-42,442,590.15-19,685,715.90

Finding the Fourth Proportional to 28,295,060.10, 42,442,590.15 and 19,685,715.90

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Solution

The fourth proportional to 28,295,060.10, 42,442,590.15 and 19,685,715.90 is: 29,528,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295,060.10 : 42,442,590.15 = 19,685,715.90 : x
  2. Step 2: Convert to fraction form
    28,295,060.10/42,442,590.15 = 19,685,715.90/x
  3. Step 3: Cross multiply
    28,295,060.10x = 42,442,590.15 × 19,685,715.90
  4. Step 4: Simplify right side
    28,295,060.10x = 835,512,771,753,038.25
  5. Step 5: Solve for x
    x = 835,512,771,753,038.25/28,295,060.10
  6. Step 6: Final answer
    x = 29,528,573.85

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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.