Home / 7,117,618.40-10,675,390.80-2,068,402.40

Finding the Fourth Proportional to 7,117,618.40, 10,675,390.80 and 2,068,402.40

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Solution

The fourth proportional to 7,117,618.40, 10,675,390.80 and 2,068,402.40 is: 3,102,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,618.40 : 10,675,390.80 = 2,068,402.40 : x
  2. Step 2: Convert to fraction form
    7,117,618.40/10,675,390.80 = 2,068,402.40/x
  3. Step 3: Cross multiply
    7,117,618.40x = 10,675,390.80 × 2,068,402.40
  4. Step 4: Simplify right side
    7,117,618.40x = 22,081,003,951,657.92
  5. Step 5: Solve for x
    x = 22,081,003,951,657.92/7,117,618.40
  6. Step 6: Final answer
    x = 3,102,302.30

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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.