Home / 14,446,686.68-19,935,898.58-7,920,172.92

Finding the Fourth Proportional to 14,446,686.68, 19,935,898.58 and 7,920,172.92

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Solution

The fourth proportional to 14,446,686.68, 19,935,898.58 and 7,920,172.92 is: 10,929,548.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,446,686.68 : 19,935,898.58 = 7,920,172.92 : x
  2. Step 2: Convert to fraction form
    14,446,686.68/19,935,898.58 = 7,920,172.92/x
  3. Step 3: Cross multiply
    14,446,686.68x = 19,935,898.58 × 7,920,172.92
  4. Step 4: Simplify right side
    14,446,686.68x = 157,895,764,029,581.59
  5. Step 5: Solve for x
    x = 157,895,764,029,581.59/14,446,686.68
  6. Step 6: Final answer
    x = 10,929,548.59

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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.