Home / 28,931,077.80-43,396,616.70-8,733,695.40

Finding the Fourth Proportional to 28,931,077.80, 43,396,616.70 and 8,733,695.40

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Solution

The fourth proportional to 28,931,077.80, 43,396,616.70 and 8,733,695.40 is: 13,100,543.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931,077.80 : 43,396,616.70 = 8,733,695.40 : x
  2. Step 2: Convert to fraction form
    28,931,077.80/43,396,616.70 = 8,733,695.40/x
  3. Step 3: Cross multiply
    28,931,077.80x = 43,396,616.70 × 8,733,695.40
  4. Step 4: Simplify right side
    28,931,077.80x = 379,012,831,648,353.25
  5. Step 5: Solve for x
    x = 379,012,831,648,353.25/28,931,077.80
  6. Step 6: Final answer
    x = 13,100,543.10

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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.