Home / 30,147,200.10-45,238,514.85-10,979,894.70

Finding the Fourth Proportional to 30,147,200.10, 45,238,514.85 and 10,979,894.70

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Solution

The fourth proportional to 30,147,200.10, 45,238,514.85 and 10,979,894.70 is: 16,476,293.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,147,200.10 : 45,238,514.85 = 10,979,894.70 : x
  2. Step 2: Convert to fraction form
    30,147,200.10/45,238,514.85 = 10,979,894.70/x
  3. Step 3: Cross multiply
    30,147,200.10x = 45,238,514.85 × 10,979,894.70
  4. Step 4: Simplify right side
    30,147,200.10x = 496,714,129,437,386.25
  5. Step 5: Solve for x
    x = 496,714,129,437,386.25/30,147,200.10
  6. Step 6: Final answer
    x = 16,476,293.91

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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.