Home / 47,679,930.40-71,470,129.20-26,081,312.80

Finding the Fourth Proportional to 47,679,930.40, 71,470,129.20 and 26,081,312.80

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Solution

The fourth proportional to 47,679,930.40, 71,470,129.20 and 26,081,312.80 is: 39,094,746.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,679,930.40 : 71,470,129.20 = 26,081,312.80 : x
  2. Step 2: Convert to fraction form
    47,679,930.40/71,470,129.20 = 26,081,312.80/x
  3. Step 3: Cross multiply
    47,679,930.40x = 71,470,129.20 × 26,081,312.80
  4. Step 4: Simplify right side
    47,679,930.40x = 1,864,034,795,521,614
  5. Step 5: Solve for x
    x = 1,864,034,795,521,614/47,679,930.40
  6. Step 6: Final answer
    x = 39,094,746.57

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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.