Home / 26,427,127.20-39,640,690.80-8,478,045.60

Finding the Fourth Proportional to 26,427,127.20, 39,640,690.80 and 8,478,045.60

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Solution

The fourth proportional to 26,427,127.20, 39,640,690.80 and 8,478,045.60 is: 12,717,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,427,127.20 : 39,640,690.80 = 8,478,045.60 : x
  2. Step 2: Convert to fraction form
    26,427,127.20/39,640,690.80 = 8,478,045.60/x
  3. Step 3: Cross multiply
    26,427,127.20x = 39,640,690.80 × 8,478,045.60
  4. Step 4: Simplify right side
    26,427,127.20x = 336,075,584,217,900.44
  5. Step 5: Solve for x
    x = 336,075,584,217,900.44/26,427,127.20
  6. Step 6: Final answer
    x = 12,717,068.40

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1.5x scale

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.