Home / 13,012,615.06-19,523,001.81-7,830,878.56

Finding the Fourth Proportional to 13,012,615.06, 19,523,001.81 and 7,830,878.56

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Solution

The fourth proportional to 13,012,615.06, 19,523,001.81 and 7,830,878.56 is: 11,748,772.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012,615.06 : 19,523,001.81 = 7,830,878.56 : x
  2. Step 2: Convert to fraction form
    13,012,615.06/19,523,001.81 = 7,830,878.56/x
  3. Step 3: Cross multiply
    13,012,615.06x = 19,523,001.81 × 7,830,878.56
  4. Step 4: Simplify right side
    13,012,615.06x = 152,882,256,300,770.19
  5. Step 5: Solve for x
    x = 152,882,256,300,770.19/13,012,615.06
  6. Step 6: Final answer
    x = 11,748,772.68

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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.