Home / 7,345,659.40-11,018,489.10-6,561,838.60

Finding the Fourth Proportional to 7,345,659.40, 11,018,489.10 and 6,561,838.60

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Solution

The fourth proportional to 7,345,659.40, 11,018,489.10 and 6,561,838.60 is: 9,842,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345,659.40 : 11,018,489.10 = 6,561,838.60 : x
  2. Step 2: Convert to fraction form
    7,345,659.40/11,018,489.10 = 6,561,838.60/x
  3. Step 3: Cross multiply
    7,345,659.40x = 11,018,489.10 × 6,561,838.60
  4. Step 4: Simplify right side
    7,345,659.40x = 72,301,547,090,059.25
  5. Step 5: Solve for x
    x = 72,301,547,090,059.25/7,345,659.40
  6. Step 6: Final answer
    x = 9,842,757.90

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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.