Home / 12,960,077.90-19,440,116.85-10,440,653.90

Finding the Fourth Proportional to 12,960,077.90, 19,440,116.85 and 10,440,653.90

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Solution

The fourth proportional to 12,960,077.90, 19,440,116.85 and 10,440,653.90 is: 15,660,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,077.90 : 19,440,116.85 = 10,440,653.90 : x
  2. Step 2: Convert to fraction form
    12,960,077.90/19,440,116.85 = 10,440,653.90/x
  3. Step 3: Cross multiply
    12,960,077.90x = 19,440,116.85 × 10,440,653.90
  4. Step 4: Simplify right side
    12,960,077.90x = 202,967,531,806,408.25
  5. Step 5: Solve for x
    x = 202,967,531,806,408.25/12,960,077.90
  6. Step 6: Final answer
    x = 15,660,980.85

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1.5x scale

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.