Home / 13,046,721.40-19,570,082.10-12,101,937.40

Finding the Fourth Proportional to 13,046,721.40, 19,570,082.10 and 12,101,937.40

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Solution

The fourth proportional to 13,046,721.40, 19,570,082.10 and 12,101,937.40 is: 18,152,906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046,721.40 : 19,570,082.10 = 12,101,937.40 : x
  2. Step 2: Convert to fraction form
    13,046,721.40/19,570,082.10 = 12,101,937.40/x
  3. Step 3: Cross multiply
    13,046,721.40x = 19,570,082.10 × 12,101,937.40
  4. Step 4: Simplify right side
    13,046,721.40x = 236,835,908,487,060.56
  5. Step 5: Solve for x
    x = 236,835,908,487,060.56/13,046,721.40
  6. Step 6: Final answer
    x = 18,152,906.10

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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.