Home / 8,502,312.96-12,756,223.44-5,090,065.92

Finding the Fourth Proportional to 8,502,312.96, 12,756,223.44 and 5,090,065.92

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Solution

The fourth proportional to 8,502,312.96, 12,756,223.44 and 5,090,065.92 is: 7,636,747.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502,312.96 : 12,756,223.44 = 5,090,065.92 : x
  2. Step 2: Convert to fraction form
    8,502,312.96/12,756,223.44 = 5,090,065.92/x
  3. Step 3: Cross multiply
    8,502,312.96x = 12,756,223.44 × 5,090,065.92
  4. Step 4: Simplify right side
    8,502,312.96x = 64,930,018,199,849.16
  5. Step 5: Solve for x
    x = 64,930,018,199,849.16/8,502,312.96
  6. Step 6: Final answer
    x = 7,636,747.61

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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.