Home / 12,908,161.53-19,355,151.56-8,865,666.45

Finding the Fourth Proportional to 12,908,161.53, 19,355,151.56 and 8,865,666.45

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Solution

The fourth proportional to 12,908,161.53, 19,355,151.56 and 8,865,666.45 is: 13,293,629.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,908,161.53 : 19,355,151.56 = 8,865,666.45 : x
  2. Step 2: Convert to fraction form
    12,908,161.53/19,355,151.56 = 8,865,666.45/x
  3. Step 3: Cross multiply
    12,908,161.53x = 19,355,151.56 × 8,865,666.45
  4. Step 4: Simplify right side
    12,908,161.53x = 171,596,317,775,828.81
  5. Step 5: Solve for x
    x = 171,596,317,775,828.81/12,908,161.53
  6. Step 6: Final answer
    x = 13,293,629.57

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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.