Home / 8,931,855.04-12,328,735.28-7,099,564.56

Finding the Fourth Proportional to 8,931,855.04, 12,328,735.28 and 7,099,564.56

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Solution

The fourth proportional to 8,931,855.04, 12,328,735.28 and 7,099,564.56 is: 9,799,605.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931,855.04 : 12,328,735.28 = 7,099,564.56 : x
  2. Step 2: Convert to fraction form
    8,931,855.04/12,328,735.28 = 7,099,564.56/x
  3. Step 3: Cross multiply
    8,931,855.04x = 12,328,735.28 × 7,099,564.56
  4. Step 4: Simplify right side
    8,931,855.04x = 87,528,652,063,509.67
  5. Step 5: Solve for x
    x = 87,528,652,063,509.67/8,931,855.04
  6. Step 6: Final answer
    x = 9,799,605.08

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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.