Home / 7,030,126.69-9,701,116.87-3,932,113.61

Finding the Fourth Proportional to 7,030,126.69, 9,701,116.87 and 3,932,113.61

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Solution

The fourth proportional to 7,030,126.69, 9,701,116.87 and 3,932,113.61 is: 5,426,060.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030,126.69 : 9,701,116.87 = 3,932,113.61 : x
  2. Step 2: Convert to fraction form
    7,030,126.69/9,701,116.87 = 3,932,113.61/x
  3. Step 3: Cross multiply
    7,030,126.69x = 9,701,116.87 × 3,932,113.61
  4. Step 4: Simplify right side
    7,030,126.69x = 38,145,893,676,727.59
  5. Step 5: Solve for x
    x = 38,145,893,676,727.59/7,030,126.69
  6. Step 6: Final answer
    x = 5,426,060.63

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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.