Home / 8,931,854.40-12,328,734.42-7,099,563.93

Finding the Fourth Proportional to 8,931,854.40, 12,328,734.42 and 7,099,563.93

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Solution

The fourth proportional to 8,931,854.40, 12,328,734.42 and 7,099,563.93 is: 9,799,604.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931,854.40 : 12,328,734.42 = 7,099,563.93 : x
  2. Step 2: Convert to fraction form
    8,931,854.40/12,328,734.42 = 7,099,563.93/x
  3. Step 3: Cross multiply
    8,931,854.40x = 12,328,734.42 × 7,099,563.93
  4. Step 4: Simplify right side
    8,931,854.40x = 87,528,638,190,781.47
  5. Step 5: Solve for x
    x = 87,528,638,190,781.47/8,931,854.40
  6. Step 6: Final answer
    x = 9,799,604.23

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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.