Home / 12,674,405.10-19,011,607.65-7,005,701.10

Finding the Fourth Proportional to 12,674,405.10, 19,011,607.65 and 7,005,701.10

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Solution

The fourth proportional to 12,674,405.10, 19,011,607.65 and 7,005,701.10 is: 10,508,551.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674,405.10 : 19,011,607.65 = 7,005,701.10 : x
  2. Step 2: Convert to fraction form
    12,674,405.10/19,011,607.65 = 7,005,701.10/x
  3. Step 3: Cross multiply
    12,674,405.10x = 19,011,607.65 × 7,005,701.10
  4. Step 4: Simplify right side
    12,674,405.10x = 133,189,640,626,373.39
  5. Step 5: Solve for x
    x = 133,189,640,626,373.39/12,674,405.10
  6. Step 6: Final answer
    x = 10,508,551.65

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Similar ratio
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1.5x scale

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.