Home / 7,113,837.76-9,818,336.64-4,214,860.80

Finding the Fourth Proportional to 7,113,837.76, 9,818,336.64 and 4,214,860.80

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Solution

The fourth proportional to 7,113,837.76, 9,818,336.64 and 4,214,860.80 is: 5,817,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113,837.76 : 9,818,336.64 = 4,214,860.80 : x
  2. Step 2: Convert to fraction form
    7,113,837.76/9,818,336.64 = 4,214,860.80/x
  3. Step 3: Cross multiply
    7,113,837.76x = 9,818,336.64 × 4,214,860.80
  4. Step 4: Simplify right side
    7,113,837.76x = 41,382,922,225,139.71
  5. Step 5: Solve for x
    x = 41,382,922,225,139.71/7,113,837.76
  6. Step 6: Final answer
    x = 5,817,242.90

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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.