Home / 9,731,981.40-13,429,591.60-5,380,806.36

Finding the Fourth Proportional to 9,731,981.40, 13,429,591.60 and 5,380,806.36

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Solution

The fourth proportional to 9,731,981.40, 13,429,591.60 and 5,380,806.36 is: 7,425,212.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,731,981.40 : 13,429,591.60 = 5,380,806.36 : x
  2. Step 2: Convert to fraction form
    9,731,981.40/13,429,591.60 = 5,380,806.36/x
  3. Step 3: Cross multiply
    9,731,981.40x = 13,429,591.60 × 5,380,806.36
  4. Step 4: Simplify right side
    9,731,981.40x = 72,262,031,893,482.58
  5. Step 5: Solve for x
    x = 72,262,031,893,482.58/9,731,981.40
  6. Step 6: Final answer
    x = 7,425,212.70

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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.