Home / 12,742,603.04-19,103,800.68-6,676,171.28

Finding the Fourth Proportional to 12,742,603.04, 19,103,800.68 and 6,676,171.28

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Solution

The fourth proportional to 12,742,603.04, 19,103,800.68 and 6,676,171.28 is: 10,008,963.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,742,603.04 : 19,103,800.68 = 6,676,171.28 : x
  2. Step 2: Convert to fraction form
    12,742,603.04/19,103,800.68 = 6,676,171.28/x
  3. Step 3: Cross multiply
    12,742,603.04x = 19,103,800.68 × 6,676,171.28
  4. Step 4: Simplify right side
    12,742,603.04x = 127,540,245,438,660.47
  5. Step 5: Solve for x
    x = 127,540,245,438,660.47/12,742,603.04
  6. Step 6: Final answer
    x = 10,008,963.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.