Home / 12,586,903.84-18,878,487.24-3,488,052.77

Finding the Fourth Proportional to 12,586,903.84, 18,878,487.24 and 3,488,052.77

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Solution

The fourth proportional to 12,586,903.84, 18,878,487.24 and 3,488,052.77 is: 5,231,561.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,586,903.84 : 18,878,487.24 = 3,488,052.77 : x
  2. Step 2: Convert to fraction form
    12,586,903.84/18,878,487.24 = 3,488,052.77/x
  3. Step 3: Cross multiply
    12,586,903.84x = 18,878,487.24 × 3,488,052.77
  4. Step 4: Simplify right side
    12,586,903.84x = 65,849,159,616,499.22
  5. Step 5: Solve for x
    x = 65,849,159,616,499.22/12,586,903.84
  6. Step 6: Final answer
    x = 5,231,561.35

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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.