Home / 13,549,379.48-18,698,095.86-7,354,426.64

Finding the Fourth Proportional to 13,549,379.48, 18,698,095.86 and 7,354,426.64

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Solution

The fourth proportional to 13,549,379.48, 18,698,095.86 and 7,354,426.64 is: 10,149,082.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549,379.48 : 18,698,095.86 = 7,354,426.64 : x
  2. Step 2: Convert to fraction form
    13,549,379.48/18,698,095.86 = 7,354,426.64/x
  3. Step 3: Cross multiply
    13,549,379.48x = 18,698,095.86 × 7,354,426.64
  4. Step 4: Simplify right side
    13,549,379.48x = 137,513,774,310,057.70
  5. Step 5: Solve for x
    x = 137,513,774,310,057.70/13,549,379.48
  6. Step 6: Final answer
    x = 10,149,082.81

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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.