Home / 10,225,790.67-14,111,886.21-5,642,407.29

Finding the Fourth Proportional to 10,225,790.67, 14,111,886.21 and 5,642,407.29

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Solution

The fourth proportional to 10,225,790.67, 14,111,886.21 and 5,642,407.29 is: 7,786,684.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,225,790.67 : 14,111,886.21 = 5,642,407.29 : x
  2. Step 2: Convert to fraction form
    10,225,790.67/14,111,886.21 = 5,642,407.29/x
  3. Step 3: Cross multiply
    10,225,790.67x = 14,111,886.21 × 5,642,407.29
  4. Step 4: Simplify right side
    10,225,790.67x = 79,625,009,626,954.47
  5. Step 5: Solve for x
    x = 79,625,009,626,954.47/10,225,790.67
  6. Step 6: Final answer
    x = 7,786,684.88

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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.