Home / 9,370,281.78-12,930,897.78-5,240,265.93

Finding the Fourth Proportional to 9,370,281.78, 12,930,897.78 and 5,240,265.93

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Solution

The fourth proportional to 9,370,281.78, 12,930,897.78 and 5,240,265.93 is: 7,231,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,370,281.78 : 12,930,897.78 = 5,240,265.93 : x
  2. Step 2: Convert to fraction form
    9,370,281.78/12,930,897.78 = 5,240,265.93/x
  3. Step 3: Cross multiply
    9,370,281.78x = 12,930,897.78 × 5,240,265.93
  4. Step 4: Simplify right side
    9,370,281.78x = 67,761,343,080,846.62
  5. Step 5: Solve for x
    x = 67,761,343,080,846.62/9,370,281.78
  6. Step 6: Final answer
    x = 7,231,516.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.