Home / 8,919,301.18-12,308,429.10-5,197,894.96

Finding the Fourth Proportional to 8,919,301.18, 12,308,429.10 and 5,197,894.96

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Solution

The fourth proportional to 8,919,301.18, 12,308,429.10 and 5,197,894.96 is: 7,172,974.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919,301.18 : 12,308,429.10 = 5,197,894.96 : x
  2. Step 2: Convert to fraction form
    8,919,301.18/12,308,429.10 = 5,197,894.96/x
  3. Step 3: Cross multiply
    8,919,301.18x = 12,308,429.10 × 5,197,894.96
  4. Step 4: Simplify right side
    8,919,301.18x = 63,977,921,584,407.34
  5. Step 5: Solve for x
    x = 63,977,921,584,407.34/8,919,301.18
  6. Step 6: Final answer
    x = 7,172,974.69

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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.