Home / 7,262,031.75-10,021,603.80-3,998,838.71

Finding the Fourth Proportional to 7,262,031.75, 10,021,603.80 and 3,998,838.71

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Solution

The fourth proportional to 7,262,031.75, 10,021,603.80 and 3,998,838.71 is: 5,518,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262,031.75 : 10,021,603.80 = 3,998,838.71 : x
  2. Step 2: Convert to fraction form
    7,262,031.75/10,021,603.80 = 3,998,838.71/x
  3. Step 3: Cross multiply
    7,262,031.75x = 10,021,603.80 × 3,998,838.71
  4. Step 4: Simplify right side
    7,262,031.75x = 40,074,777,161,615.09
  5. Step 5: Solve for x
    x = 40,074,777,161,615.09/7,262,031.75
  6. Step 6: Final answer
    x = 5,518,397.40

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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.