Home / 21,545,311.56-29,733,986.90-12,381,607.24

Finding the Fourth Proportional to 21,545,311.56, 29,733,986.90 and 12,381,607.24

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Solution

The fourth proportional to 21,545,311.56, 29,733,986.90 and 12,381,607.24 is: 17,087,455.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,545,311.56 : 29,733,986.90 = 12,381,607.24 : x
  2. Step 2: Convert to fraction form
    21,545,311.56/29,733,986.90 = 12,381,607.24/x
  3. Step 3: Cross multiply
    21,545,311.56x = 29,733,986.90 × 12,381,607.24
  4. Step 4: Simplify right side
    21,545,311.56x = 368,154,547,475,105.12
  5. Step 5: Solve for x
    x = 368,154,547,475,105.12/21,545,311.56
  6. Step 6: Final answer
    x = 17,087,455.27

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1.5x scale

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.