Home / 13,758,035.93-18,986,331.02-7,563,343.75

Finding the Fourth Proportional to 13,758,035.93, 18,986,331.02 and 7,563,343.75

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Solution

The fourth proportional to 13,758,035.93, 18,986,331.02 and 7,563,343.75 is: 10,437,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,758,035.93 : 18,986,331.02 = 7,563,343.75 : x
  2. Step 2: Convert to fraction form
    13,758,035.93/18,986,331.02 = 7,563,343.75/x
  3. Step 3: Cross multiply
    13,758,035.93x = 18,986,331.02 × 7,563,343.75
  4. Step 4: Simplify right side
    13,758,035.93x = 143,600,147,970,265.56
  5. Step 5: Solve for x
    x = 143,600,147,970,265.56/13,758,035.93
  6. Step 6: Final answer
    x = 10,437,547.10

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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.