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Finding the Fourth Proportional to 14,703,025.40, 20,605,493.20 and 14,703,025.40

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Solution

The fourth proportional to 14,703,025.40, 20,605,493.20 and 14,703,025.40 is: 20,605,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,703,025.40 : 20,605,493.20 = 14,703,025.40 : x
  2. Step 2: Convert to fraction form
    14,703,025.40/20,605,493.20 = 14,703,025.40/x
  3. Step 3: Cross multiply
    14,703,025.40x = 20,605,493.20 × 14,703,025.40
  4. Step 4: Simplify right side
    14,703,025.40x = 302,963,089,899,127.25
  5. Step 5: Solve for x
    x = 302,963,089,899,127.25/14,703,025.40
  6. Step 6: Final answer
    x = 20,605,493.20

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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.