Home / 18,736,502.68-25,846,044.06-12,938,328.28

Finding the Fourth Proportional to 18,736,502.68, 25,846,044.06 and 12,938,328.28

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Solution

The fourth proportional to 18,736,502.68, 25,846,044.06 and 12,938,328.28 is: 17,847,759.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736,502.68 : 25,846,044.06 = 12,938,328.28 : x
  2. Step 2: Convert to fraction form
    18,736,502.68/25,846,044.06 = 12,938,328.28/x
  3. Step 3: Cross multiply
    18,736,502.68x = 25,846,044.06 × 12,938,328.28
  4. Step 4: Simplify right side
    18,736,502.68x = 334,404,602,787,624
  5. Step 5: Solve for x
    x = 334,404,602,787,624/18,736,502.68
  6. Step 6: Final answer
    x = 17,847,759.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.