Home / 14,012,918.61-19,337,966.78-7,817,913.06

Finding the Fourth Proportional to 14,012,918.61, 19,337,966.78 and 7,817,913.06

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Solution

The fourth proportional to 14,012,918.61, 19,337,966.78 and 7,817,913.06 is: 10,788,797.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012,918.61 : 19,337,966.78 = 7,817,913.06 : x
  2. Step 2: Convert to fraction form
    14,012,918.61/19,337,966.78 = 7,817,913.06/x
  3. Step 3: Cross multiply
    14,012,918.61x = 19,337,966.78 × 7,817,913.06
  4. Step 4: Simplify right side
    14,012,918.61x = 151,182,543,004,118.56
  5. Step 5: Solve for x
    x = 151,182,543,004,118.56/14,012,918.61
  6. Step 6: Final answer
    x = 10,788,797.62

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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.