Home / 7,253,421.77-10,009,405.82-3,990,029.51

Finding the Fourth Proportional to 7,253,421.77, 10,009,405.82 and 3,990,029.51

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Solution

The fourth proportional to 7,253,421.77, 10,009,405.82 and 3,990,029.51 is: 5,506,066.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253,421.77 : 10,009,405.82 = 3,990,029.51 : x
  2. Step 2: Convert to fraction form
    7,253,421.77/10,009,405.82 = 3,990,029.51/x
  3. Step 3: Cross multiply
    7,253,421.77x = 10,009,405.82 × 3,990,029.51
  4. Step 4: Simplify right side
    7,253,421.77x = 39,937,824,559,293.79
  5. Step 5: Solve for x
    x = 39,937,824,559,293.79/7,253,421.77
  6. Step 6: Final answer
    x = 5,506,066.77

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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.