Home / 8,532,307.65-12,801,684.80-5,122,971.48

Finding the Fourth Proportional to 8,532,307.65, 12,801,684.80 and 5,122,971.48

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Solution

The fourth proportional to 8,532,307.65, 12,801,684.80 and 5,122,971.48 is: 7,686,392.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532,307.65 : 12,801,684.80 = 5,122,971.48 : x
  2. Step 2: Convert to fraction form
    8,532,307.65/12,801,684.80 = 5,122,971.48/x
  3. Step 3: Cross multiply
    8,532,307.65x = 12,801,684.80 × 5,122,971.48
  4. Step 4: Simplify right side
    8,532,307.65x = 65,582,666,167,952.10
  5. Step 5: Solve for x
    x = 65,582,666,167,952.10/8,532,307.65
  6. Step 6: Final answer
    x = 7,686,392.57

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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.