Home / 7,711,838.63-10,641,927.66-4,448,459.21

Finding the Fourth Proportional to 7,711,838.63, 10,641,927.66 and 4,448,459.21

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Solution

The fourth proportional to 7,711,838.63, 10,641,927.66 and 4,448,459.21 is: 6,138,637.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711,838.63 : 10,641,927.66 = 4,448,459.21 : x
  2. Step 2: Convert to fraction form
    7,711,838.63/10,641,927.66 = 4,448,459.21/x
  3. Step 3: Cross multiply
    7,711,838.63x = 10,641,927.66 × 4,448,459.21
  4. Step 4: Simplify right side
    7,711,838.63x = 47,340,181,111,280.75
  5. Step 5: Solve for x
    x = 47,340,181,111,280.75/7,711,838.63
  6. Step 6: Final answer
    x = 6,138,637.41

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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.