Home / 20,880,147.40-29,262,066.20-20,880,147.40

Finding the Fourth Proportional to 20,880,147.40, 29,262,066.20 and 20,880,147.40

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Solution

The fourth proportional to 20,880,147.40, 29,262,066.20 and 20,880,147.40 is: 29,262,066.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,880,147.40 : 29,262,066.20 = 20,880,147.40 : x
  2. Step 2: Convert to fraction form
    20,880,147.40/29,262,066.20 = 20,880,147.40/x
  3. Step 3: Cross multiply
    20,880,147.40x = 29,262,066.20 × 20,880,147.40
  4. Step 4: Simplify right side
    20,880,147.40x = 610,996,255,484,557.88
  5. Step 5: Solve for x
    x = 610,996,255,484,557.88/20,880,147.40
  6. Step 6: Final answer
    x = 29,262,066.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.