Home / 9,489,457.20-13,095,513.32-5,138,543.90

Finding the Fourth Proportional to 9,489,457.20, 13,095,513.32 and 5,138,543.90

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Solution

The fourth proportional to 9,489,457.20, 13,095,513.32 and 5,138,543.90 is: 7,091,224.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489,457.20 : 13,095,513.32 = 5,138,543.90 : x
  2. Step 2: Convert to fraction form
    9,489,457.20/13,095,513.32 = 5,138,543.90/x
  3. Step 3: Cross multiply
    9,489,457.20x = 13,095,513.32 × 5,138,543.90
  4. Step 4: Simplify right side
    9,489,457.20x = 67,291,869,996,684.45
  5. Step 5: Solve for x
    x = 67,291,869,996,684.45/9,489,457.20
  6. Step 6: Final answer
    x = 7,091,224.35

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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.