Home / 30,020,856-45,034,591.44-9,545,785.44

Finding the Fourth Proportional to 30,020,856, 45,034,591.44 and 9,545,785.44

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Solution

The fourth proportional to 30,020,856, 45,034,591.44 and 9,545,785.44 is: 14,319,729.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,020,856 : 45,034,591.44 = 9,545,785.44 : x
  2. Step 2: Convert to fraction form
    30,020,856/45,034,591.44 = 9,545,785.44/x
  3. Step 3: Cross multiply
    30,020,856x = 45,034,591.44 × 9,545,785.44
  4. Step 4: Simplify right side
    30,020,856x = 429,890,547,264,300.56
  5. Step 5: Solve for x
    x = 429,890,547,264,300.56/30,020,856
  6. Step 6: Final answer
    x = 14,319,729.83

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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.