Home / 12,960,060.10-19,402,765.35-12,586,812.10

Finding the Fourth Proportional to 12,960,060.10, 19,402,765.35 and 12,586,812.10

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Solution

The fourth proportional to 12,960,060.10, 19,402,765.35 and 12,586,812.10 is: 18,843,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,060.10 : 19,402,765.35 = 12,586,812.10 : x
  2. Step 2: Convert to fraction form
    12,960,060.10/19,402,765.35 = 12,586,812.10/x
  3. Step 3: Cross multiply
    12,960,060.10x = 19,402,765.35 × 12,586,812.10
  4. Step 4: Simplify right side
    12,960,060.10x = 244,218,961,680,840.75
  5. Step 5: Solve for x
    x = 244,218,961,680,840.75/12,960,060.10
  6. Step 6: Final answer
    x = 18,843,968.30

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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.