Home / 9,218,606.55-12,721,679.28-5,088,639.98

Finding the Fourth Proportional to 9,218,606.55, 12,721,679.28 and 5,088,639.98

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Solution

The fourth proportional to 9,218,606.55, 12,721,679.28 and 5,088,639.98 is: 7,022,324.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218,606.55 : 12,721,679.28 = 5,088,639.98 : x
  2. Step 2: Convert to fraction form
    9,218,606.55/12,721,679.28 = 5,088,639.98/x
  3. Step 3: Cross multiply
    9,218,606.55x = 12,721,679.28 × 5,088,639.98
  4. Step 4: Simplify right side
    9,218,606.55x = 64,736,045,733,337.21
  5. Step 5: Solve for x
    x = 64,736,045,733,337.21/9,218,606.55
  6. Step 6: Final answer
    x = 7,022,324.40

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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.