Home / 10,726,720.40-16,090,858.20-6,457,696.40

Finding the Fourth Proportional to 10,726,720.40, 16,090,858.20 and 6,457,696.40

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Solution

The fourth proportional to 10,726,720.40, 16,090,858.20 and 6,457,696.40 is: 9,687,012.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,726,720.40 : 16,090,858.20 = 6,457,696.40 : x
  2. Step 2: Convert to fraction form
    10,726,720.40/16,090,858.20 = 6,457,696.40/x
  3. Step 3: Cross multiply
    10,726,720.40x = 16,090,858.20 × 6,457,696.40
  4. Step 4: Simplify right side
    10,726,720.40x = 103,909,877,071,050.48
  5. Step 5: Solve for x
    x = 103,909,877,071,050.48/10,726,720.40
  6. Step 6: Final answer
    x = 9,687,012.73

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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.