Home / 14,510,465.20-21,782,459.40-7,792,001.20

Finding the Fourth Proportional to 14,510,465.20, 21,782,459.40 and 7,792,001.20

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Solution

The fourth proportional to 14,510,465.20, 21,782,459.40 and 7,792,001.20 is: 11,697,002.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,510,465.20 : 21,782,459.40 = 7,792,001.20 : x
  2. Step 2: Convert to fraction form
    14,510,465.20/21,782,459.40 = 7,792,001.20/x
  3. Step 3: Cross multiply
    14,510,465.20x = 21,782,459.40 × 7,792,001.20
  4. Step 4: Simplify right side
    14,510,465.20x = 169,728,949,783,751.28
  5. Step 5: Solve for x
    x = 169,728,949,783,751.28/14,510,465.20
  6. Step 6: Final answer
    x = 11,697,002.64

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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.