Home / 13,971,583.89-19,280,638.47-7,776,531.87

Finding the Fourth Proportional to 13,971,583.89, 19,280,638.47 and 7,776,531.87

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Solution

The fourth proportional to 13,971,583.89, 19,280,638.47 and 7,776,531.87 is: 10,731,531.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971,583.89 : 19,280,638.47 = 7,776,531.87 : x
  2. Step 2: Convert to fraction form
    13,971,583.89/19,280,638.47 = 7,776,531.87/x
  3. Step 3: Cross multiply
    13,971,583.89x = 19,280,638.47 × 7,776,531.87
  4. Step 4: Simplify right side
    13,971,583.89x = 149,936,499,492,762.62
  5. Step 5: Solve for x
    x = 149,936,499,492,762.62/13,971,583.89
  6. Step 6: Final answer
    x = 10,731,531.99

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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.