Home / 12,653,064.48-18,975,671.32-4,564,988.72

Finding the Fourth Proportional to 12,653,064.48, 18,975,671.32 and 4,564,988.72

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Solution

The fourth proportional to 12,653,064.48, 18,975,671.32 and 4,564,988.72 is: 6,846,066.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,653,064.48 : 18,975,671.32 = 4,564,988.72 : x
  2. Step 2: Convert to fraction form
    12,653,064.48/18,975,671.32 = 4,564,988.72/x
  3. Step 3: Cross multiply
    12,653,064.48x = 18,975,671.32 × 4,564,988.72
  4. Step 4: Simplify right side
    12,653,064.48x = 86,623,725,530,227.50
  5. Step 5: Solve for x
    x = 86,623,725,530,227.50/12,653,064.48
  6. Step 6: Final answer
    x = 6,846,066.87

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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.