Home / 13,290,471.80-19,935,707.70-8,755,508.60

Finding the Fourth Proportional to 13,290,471.80, 19,935,707.70 and 8,755,508.60

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Solution

The fourth proportional to 13,290,471.80, 19,935,707.70 and 8,755,508.60 is: 13,133,262.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290,471.80 : 19,935,707.70 = 8,755,508.60 : x
  2. Step 2: Convert to fraction form
    13,290,471.80/19,935,707.70 = 8,755,508.60/x
  3. Step 3: Cross multiply
    13,290,471.80x = 19,935,707.70 × 8,755,508.60
  4. Step 4: Simplify right side
    13,290,471.80x = 174,547,260,214,436.22
  5. Step 5: Solve for x
    x = 174,547,260,214,436.22/13,290,471.80
  6. Step 6: Final answer
    x = 13,133,262.90

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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.