Home / 10,730,628.81-14,847,258.42-9,356,837.45

Finding the Fourth Proportional to 10,730,628.81, 14,847,258.42 and 9,356,837.45

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Solution

The fourth proportional to 10,730,628.81, 14,847,258.42 and 9,356,837.45 is: 12,946,434.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,730,628.81 : 14,847,258.42 = 9,356,837.45 : x
  2. Step 2: Convert to fraction form
    10,730,628.81/14,847,258.42 = 9,356,837.45/x
  3. Step 3: Cross multiply
    10,730,628.81x = 14,847,258.42 × 9,356,837.45
  4. Step 4: Simplify right side
    10,730,628.81x = 138,923,383,539,847.55
  5. Step 5: Solve for x
    x = 138,923,383,539,847.55/10,730,628.81
  6. Step 6: Final answer
    x = 12,946,434.55

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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.