Home / 8,779,143-13,168,467.18-2,389,450.71

Finding the Fourth Proportional to 8,779,143, 13,168,467.18 and 2,389,450.71

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Solution

The fourth proportional to 8,779,143, 13,168,467.18 and 2,389,450.71 is: 3,584,108.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779,143 : 13,168,467.18 = 2,389,450.71 : x
  2. Step 2: Convert to fraction form
    8,779,143/13,168,467.18 = 2,389,450.71/x
  3. Step 3: Cross multiply
    8,779,143x = 13,168,467.18 × 2,389,450.71
  4. Step 4: Simplify right side
    8,779,143x = 31,465,403,252,862.70
  5. Step 5: Solve for x
    x = 31,465,403,252,862.70/8,779,143
  6. Step 6: Final answer
    x = 3,584,108.75

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Double scale
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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.