Home / 8,674,200.90-13,011,301.35-6,658,661.70

Finding the Fourth Proportional to 8,674,200.90, 13,011,301.35 and 6,658,661.70

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Solution

The fourth proportional to 8,674,200.90, 13,011,301.35 and 6,658,661.70 is: 9,987,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674,200.90 : 13,011,301.35 = 6,658,661.70 : x
  2. Step 2: Convert to fraction form
    8,674,200.90/13,011,301.35 = 6,658,661.70/x
  3. Step 3: Cross multiply
    8,674,200.90x = 13,011,301.35 × 6,658,661.70
  4. Step 4: Simplify right side
    8,674,200.90x = 86,637,853,966,403.30
  5. Step 5: Solve for x
    x = 86,637,853,966,403.30/8,674,200.90
  6. Step 6: Final answer
    x = 9,987,992.55

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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.