Home / 14,443,398.28-19,932,130.44-7,828,198.01

Finding the Fourth Proportional to 14,443,398.28, 19,932,130.44 and 7,828,198.01

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Solution

The fourth proportional to 14,443,398.28, 19,932,130.44 and 7,828,198.01 is: 10,803,043.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443,398.28 : 19,932,130.44 = 7,828,198.01 : x
  2. Step 2: Convert to fraction form
    14,443,398.28/19,932,130.44 = 7,828,198.01/x
  3. Step 3: Cross multiply
    14,443,398.28x = 19,932,130.44 × 7,828,198.01
  4. Step 4: Simplify right side
    14,443,398.28x = 156,032,663,745,807.78
  5. Step 5: Solve for x
    x = 156,032,663,745,807.78/14,443,398.28
  6. Step 6: Final answer
    x = 10,803,043.77

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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.