Home / 12,812,727.60-17,681,563.86-7,011,511.26

Finding the Fourth Proportional to 12,812,727.60, 17,681,563.86 and 7,011,511.26

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Solution

The fourth proportional to 12,812,727.60, 17,681,563.86 and 7,011,511.26 is: 9,675,885.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,812,727.60 : 17,681,563.86 = 7,011,511.26 : x
  2. Step 2: Convert to fraction form
    12,812,727.60/17,681,563.86 = 7,011,511.26/x
  3. Step 3: Cross multiply
    12,812,727.60x = 17,681,563.86 × 7,011,511.26
  4. Step 4: Simplify right side
    12,812,727.60x = 123,974,484,098,799.06
  5. Step 5: Solve for x
    x = 123,974,484,098,799.06/12,812,727.60
  6. Step 6: Final answer
    x = 9,675,885.41

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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.