Home / 7,154,811.51-9,872,743.11-4,836,747.63

Finding the Fourth Proportional to 7,154,811.51, 9,872,743.11 and 4,836,747.63

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Solution

The fourth proportional to 7,154,811.51, 9,872,743.11 and 4,836,747.63 is: 6,674,105.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154,811.51 : 9,872,743.11 = 4,836,747.63 : x
  2. Step 2: Convert to fraction form
    7,154,811.51/9,872,743.11 = 4,836,747.63/x
  3. Step 3: Cross multiply
    7,154,811.51x = 9,872,743.11 × 4,836,747.63
  4. Step 4: Simplify right side
    7,154,811.51x = 47,751,966,838,891.33
  5. Step 5: Solve for x
    x = 47,751,966,838,891.33/7,154,811.51
  6. Step 6: Final answer
    x = 6,674,105.50

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Double scale
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1.5x scale

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.