Home / 10,866,090.60-14,976,224.10-7,959,303.72

Finding the Fourth Proportional to 10,866,090.60, 14,976,224.10 and 7,959,303.72

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Solution

The fourth proportional to 10,866,090.60, 14,976,224.10 and 7,959,303.72 is: 10,969,935.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866,090.60 : 14,976,224.10 = 7,959,303.72 : x
  2. Step 2: Convert to fraction form
    10,866,090.60/14,976,224.10 = 7,959,303.72/x
  3. Step 3: Cross multiply
    10,866,090.60x = 14,976,224.10 × 7,959,303.72
  4. Step 4: Simplify right side
    10,866,090.60x = 119,200,316,190,683.64
  5. Step 5: Solve for x
    x = 119,200,316,190,683.64/10,866,090.60
  6. Step 6: Final answer
    x = 10,969,935.79

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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.