Home / 13,176,342.68-19,767,921.65-7,716,048.84

Finding the Fourth Proportional to 13,176,342.68, 19,767,921.65 and 7,716,048.84

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Solution

The fourth proportional to 13,176,342.68, 19,767,921.65 and 7,716,048.84 is: 11,576,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176,342.68 : 19,767,921.65 = 7,716,048.84 : x
  2. Step 2: Convert to fraction form
    13,176,342.68/19,767,921.65 = 7,716,048.84/x
  3. Step 3: Cross multiply
    13,176,342.68x = 19,767,921.65 × 7,716,048.84
  4. Step 4: Simplify right side
    13,176,342.68x = 152,530,248,878,113.12
  5. Step 5: Solve for x
    x = 152,530,248,878,113.12/13,176,342.68
  6. Step 6: Final answer
    x = 11,576,068.77

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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.