Home / 51,475,112.84-77,212,604.04-13,136,627.81

Finding the Fourth Proportional to 51,475,112.84, 77,212,604.04 and 13,136,627.81

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Solution

The fourth proportional to 51,475,112.84, 77,212,604.04 and 13,136,627.81 is: 19,704,925.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,475,112.84 : 77,212,604.04 = 13,136,627.81 : x
  2. Step 2: Convert to fraction form
    51,475,112.84/77,212,604.04 = 13,136,627.81/x
  3. Step 3: Cross multiply
    51,475,112.84x = 77,212,604.04 × 13,136,627.81
  4. Step 4: Simplify right side
    51,475,112.84x = 1,014,313,241,128,319.38
  5. Step 5: Solve for x
    x = 1,014,313,241,128,319.38/51,475,112.84
  6. Step 6: Final answer
    x = 19,704,925.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.