Home / 7,681,384.80-11,523,792.96-2,889,115.20

Finding the Fourth Proportional to 7,681,384.80, 11,523,792.96 and 2,889,115.20

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Solution

The fourth proportional to 7,681,384.80, 11,523,792.96 and 2,889,115.20 is: 4,334,318.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681,384.80 : 11,523,792.96 = 2,889,115.20 : x
  2. Step 2: Convert to fraction form
    7,681,384.80/11,523,792.96 = 2,889,115.20/x
  3. Step 3: Cross multiply
    7,681,384.80x = 11,523,792.96 × 2,889,115.20
  4. Step 4: Simplify right side
    7,681,384.80x = 33,293,565,402,389.00
  5. Step 5: Solve for x
    x = 33,293,565,402,389.00/7,681,384.80
  6. Step 6: Final answer
    x = 4,334,318.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.