Home / 9,142,814.92-12,617,226.80-5,013,223.08

Finding the Fourth Proportional to 9,142,814.92, 12,617,226.80 and 5,013,223.08

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Solution

The fourth proportional to 9,142,814.92, 12,617,226.80 and 5,013,223.08 is: 6,918,325.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142,814.92 : 12,617,226.80 = 5,013,223.08 : x
  2. Step 2: Convert to fraction form
    9,142,814.92/12,617,226.80 = 5,013,223.08/x
  3. Step 3: Cross multiply
    9,142,814.92x = 12,617,226.80 × 5,013,223.08
  4. Step 4: Simplify right side
    9,142,814.92x = 63,252,972,599,354.55
  5. Step 5: Solve for x
    x = 63,252,972,599,354.55/9,142,814.92
  6. Step 6: Final answer
    x = 6,918,325.83

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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.