Home / 14,328,953.28-19,773,671.40-7,802,660.16

Finding the Fourth Proportional to 14,328,953.28, 19,773,671.40 and 7,802,660.16

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Solution

The fourth proportional to 14,328,953.28, 19,773,671.40 and 7,802,660.16 is: 10,767,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328,953.28 : 19,773,671.40 = 7,802,660.16 : x
  2. Step 2: Convert to fraction form
    14,328,953.28/19,773,671.40 = 7,802,660.16/x
  3. Step 3: Cross multiply
    14,328,953.28x = 19,773,671.40 × 7,802,660.16
  4. Step 4: Simplify right side
    14,328,953.28x = 154,287,238,049,711.41
  5. Step 5: Solve for x
    x = 154,287,238,049,711.41/14,328,953.28
  6. Step 6: Final answer
    x = 10,767,516.30

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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.