Home / 15,812,562.72-21,823,677-10,011,882.72

Finding the Fourth Proportional to 15,812,562.72, 21,823,677 and 10,011,882.72

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Solution

The fourth proportional to 15,812,562.72, 21,823,677 and 10,011,882.72 is: 13,817,880.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,812,562.72 : 21,823,677 = 10,011,882.72 : x
  2. Step 2: Convert to fraction form
    15,812,562.72/21,823,677 = 10,011,882.72/x
  3. Step 3: Cross multiply
    15,812,562.72x = 21,823,677 × 10,011,882.72
  4. Step 4: Simplify right side
    15,812,562.72x = 218,496,094,643,161.47
  5. Step 5: Solve for x
    x = 218,496,094,643,161.47/15,812,562.72
  6. Step 6: Final answer
    x = 13,817,880.03

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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.