Home / 12,745,802.39-19,100,157.83-7,877,715.35

Finding the Fourth Proportional to 12,745,802.39, 19,100,157.83 and 7,877,715.35

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Solution

The fourth proportional to 12,745,802.39, 19,100,157.83 and 7,877,715.35 is: 11,805,110.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745,802.39 : 19,100,157.83 = 7,877,715.35 : x
  2. Step 2: Convert to fraction form
    12,745,802.39/19,100,157.83 = 7,877,715.35/x
  3. Step 3: Cross multiply
    12,745,802.39x = 19,100,157.83 × 7,877,715.35
  4. Step 4: Simplify right side
    12,745,802.39x = 150,465,606,533,175.50
  5. Step 5: Solve for x
    x = 150,465,606,533,175.50/12,745,802.39
  6. Step 6: Final answer
    x = 11,805,110.57

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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.