Home / 13,652,590.85-18,840,639.52-7,457,723.36

Finding the Fourth Proportional to 13,652,590.85, 18,840,639.52 and 7,457,723.36

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Solution

The fourth proportional to 13,652,590.85, 18,840,639.52 and 7,457,723.36 is: 10,291,693.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652,590.85 : 18,840,639.52 = 7,457,723.36 : x
  2. Step 2: Convert to fraction form
    13,652,590.85/18,840,639.52 = 7,457,723.36/x
  3. Step 3: Cross multiply
    13,652,590.85x = 18,840,639.52 × 7,457,723.36
  4. Step 4: Simplify right side
    13,652,590.85x = 140,508,277,371,440
  5. Step 5: Solve for x
    x = 140,508,277,371,440/13,652,590.85
  6. Step 6: Final answer
    x = 10,291,693.27

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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.