Home / 15,237,957.76-21,022,395.34-8,708,084

Finding the Fourth Proportional to 15,237,957.76, 21,022,395.34 and 8,708,084

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Solution

The fourth proportional to 15,237,957.76, 21,022,395.34 and 8,708,084 is: 12,013,734.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,237,957.76 : 21,022,395.34 = 8,708,084 : x
  2. Step 2: Convert to fraction form
    15,237,957.76/21,022,395.34 = 8,708,084/x
  3. Step 3: Cross multiply
    15,237,957.76x = 21,022,395.34 × 8,708,084
  4. Step 4: Simplify right side
    15,237,957.76x = 183,064,784,501,928.56
  5. Step 5: Solve for x
    x = 183,064,784,501,928.56/15,237,957.76
  6. Step 6: Final answer
    x = 12,013,734.87

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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.