Home / 21,136,510.32-31,710,911.04-8,846,273.04

Finding the Fourth Proportional to 21,136,510.32, 31,710,911.04 and 8,846,273.04

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Solution

The fourth proportional to 21,136,510.32, 31,710,911.04 and 8,846,273.04 is: 13,271,981.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,136,510.32 : 31,710,911.04 = 8,846,273.04 : x
  2. Step 2: Convert to fraction form
    21,136,510.32/31,710,911.04 = 8,846,273.04/x
  3. Step 3: Cross multiply
    21,136,510.32x = 31,710,911.04 × 8,846,273.04
  4. Step 4: Simplify right side
    21,136,510.32x = 280,523,377,406,990.31
  5. Step 5: Solve for x
    x = 280,523,377,406,990.31/21,136,510.32
  6. Step 6: Final answer
    x = 13,271,981.66

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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.