Home / 10,215,822.47-14,097,197.27-5,632,143.84

Finding the Fourth Proportional to 10,215,822.47, 14,097,197.27 and 5,632,143.84

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Solution

The fourth proportional to 10,215,822.47, 14,097,197.27 and 5,632,143.84 is: 7,772,006.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215,822.47 : 14,097,197.27 = 5,632,143.84 : x
  2. Step 2: Convert to fraction form
    10,215,822.47/14,097,197.27 = 5,632,143.84/x
  3. Step 3: Cross multiply
    10,215,822.47x = 14,097,197.27 × 5,632,143.84
  4. Step 4: Simplify right side
    10,215,822.47x = 79,397,442,779,575.67
  5. Step 5: Solve for x
    x = 79,397,442,779,575.67/10,215,822.47
  6. Step 6: Final answer
    x = 7,772,006.91

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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.