Home / 7,110,688.51-9,812,723.02-3,847,509.55

Finding the Fourth Proportional to 7,110,688.51, 9,812,723.02 and 3,847,509.55

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Solution

The fourth proportional to 7,110,688.51, 9,812,723.02 and 3,847,509.55 is: 5,309,548.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110,688.51 : 9,812,723.02 = 3,847,509.55 : x
  2. Step 2: Convert to fraction form
    7,110,688.51/9,812,723.02 = 3,847,509.55/x
  3. Step 3: Cross multiply
    7,110,688.51x = 9,812,723.02 × 3,847,509.55
  4. Step 4: Simplify right side
    7,110,688.51x = 37,754,545,530,954.84
  5. Step 5: Solve for x
    x = 37,754,545,530,954.84/7,110,688.51
  6. Step 6: Final answer
    x = 5,309,548.50

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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.