Home / 10,317,040.74-14,222,510.73-7,209,917.34

Finding the Fourth Proportional to 10,317,040.74, 14,222,510.73 and 7,209,917.34

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Solution

The fourth proportional to 10,317,040.74, 14,222,510.73 and 7,209,917.34 is: 9,939,199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317,040.74 : 14,222,510.73 = 7,209,917.34 : x
  2. Step 2: Convert to fraction form
    10,317,040.74/14,222,510.73 = 7,209,917.34/x
  3. Step 3: Cross multiply
    10,317,040.74x = 14,222,510.73 × 7,209,917.34
  4. Step 4: Simplify right side
    10,317,040.74x = 102,543,126,730,563.06
  5. Step 5: Solve for x
    x = 102,543,126,730,563.06/10,317,040.74
  6. Step 6: Final answer
    x = 9,939,199.55

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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.