Home / 7,127,981.70-9,836,006.55-4,030,353.18

Finding the Fourth Proportional to 7,127,981.70, 9,836,006.55 and 4,030,353.18

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Solution

The fourth proportional to 7,127,981.70, 9,836,006.55 and 4,030,353.18 is: 5,561,543.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,981.70 : 9,836,006.55 = 4,030,353.18 : x
  2. Step 2: Convert to fraction form
    7,127,981.70/9,836,006.55 = 4,030,353.18/x
  3. Step 3: Cross multiply
    7,127,981.70x = 9,836,006.55 × 4,030,353.18
  4. Step 4: Simplify right side
    7,127,981.70x = 39,642,580,277,293.34
  5. Step 5: Solve for x
    x = 39,642,580,277,293.34/7,127,981.70
  6. Step 6: Final answer
    x = 5,561,543.50

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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.