Home / 9,731,101.52-13,428,683.40-5,380,075.76

Finding the Fourth Proportional to 9,731,101.52, 13,428,683.40 and 5,380,075.76

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Solution

The fourth proportional to 9,731,101.52, 13,428,683.40 and 5,380,075.76 is: 7,424,373.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,731,101.52 : 13,428,683.40 = 5,380,075.76 : x
  2. Step 2: Convert to fraction form
    9,731,101.52/13,428,683.40 = 5,380,075.76/x
  3. Step 3: Cross multiply
    9,731,101.52x = 13,428,683.40 × 5,380,075.76
  4. Step 4: Simplify right side
    9,731,101.52x = 72,247,334,049,054.39
  5. Step 5: Solve for x
    x = 72,247,334,049,054.39/9,731,101.52
  6. Step 6: Final answer
    x = 7,424,373.68

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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.