Home / 19,248,390.64-28,872,586.24-6,468,895.76

Finding the Fourth Proportional to 19,248,390.64, 28,872,586.24 and 6,468,895.76

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Solution

The fourth proportional to 19,248,390.64, 28,872,586.24 and 6,468,895.76 is: 9,703,343.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248,390.64 : 28,872,586.24 = 6,468,895.76 : x
  2. Step 2: Convert to fraction form
    19,248,390.64/28,872,586.24 = 6,468,895.76/x
  3. Step 3: Cross multiply
    19,248,390.64x = 28,872,586.24 × 6,468,895.76
  4. Step 4: Simplify right side
    19,248,390.64x = 186,773,750,708,170.31
  5. Step 5: Solve for x
    x = 186,773,750,708,170.31/19,248,390.64
  6. Step 6: Final answer
    x = 9,703,343.73

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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.