Home / 14,258,487.78-19,676,718.37-7,732,115.55

Finding the Fourth Proportional to 14,258,487.78, 19,676,718.37 and 7,732,115.55

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Solution

The fourth proportional to 14,258,487.78, 19,676,718.37 and 7,732,115.55 is: 10,670,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258,487.78 : 19,676,718.37 = 7,732,115.55 : x
  2. Step 2: Convert to fraction form
    14,258,487.78/19,676,718.37 = 7,732,115.55/x
  3. Step 3: Cross multiply
    14,258,487.78x = 19,676,718.37 × 7,732,115.55
  4. Step 4: Simplify right side
    14,258,487.78x = 152,142,660,081,647.66
  5. Step 5: Solve for x
    x = 152,142,660,081,647.66/14,258,487.78
  6. Step 6: Final answer
    x = 10,670,322.30

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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.