Home / 28,130,820.60-42,196,230.90-26,997,079.80

Finding the Fourth Proportional to 28,130,820.60, 42,196,230.90 and 26,997,079.80

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Solution

The fourth proportional to 28,130,820.60, 42,196,230.90 and 26,997,079.80 is: 40,495,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,130,820.60 : 42,196,230.90 = 26,997,079.80 : x
  2. Step 2: Convert to fraction form
    28,130,820.60/42,196,230.90 = 26,997,079.80/x
  3. Step 3: Cross multiply
    28,130,820.60x = 42,196,230.90 × 26,997,079.80
  4. Step 4: Simplify right side
    28,130,820.60x = 1,139,175,012,866,525.75
  5. Step 5: Solve for x
    x = 1,139,175,012,866,525.75/28,130,820.60
  6. Step 6: Final answer
    x = 40,495,619.70

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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.