Home / 12,816,002.30-19,224,003.45-6,742,427.90

Finding the Fourth Proportional to 12,816,002.30, 19,224,003.45 and 6,742,427.90

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Solution

The fourth proportional to 12,816,002.30, 19,224,003.45 and 6,742,427.90 is: 10,113,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816,002.30 : 19,224,003.45 = 6,742,427.90 : x
  2. Step 2: Convert to fraction form
    12,816,002.30/19,224,003.45 = 6,742,427.90/x
  3. Step 3: Cross multiply
    12,816,002.30x = 19,224,003.45 × 6,742,427.90
  4. Step 4: Simplify right side
    12,816,002.30x = 129,616,457,210,976.25
  5. Step 5: Solve for x
    x = 129,616,457,210,976.25/12,816,002.30
  6. Step 6: Final answer
    x = 10,113,641.85

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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.