Home / 13,796,280.89-19,039,455.11-7,684,707.77

Finding the Fourth Proportional to 13,796,280.89, 19,039,455.11 and 7,684,707.77

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Solution

The fourth proportional to 13,796,280.89, 19,039,455.11 and 7,684,707.77 is: 10,605,223.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,796,280.89 : 19,039,455.11 = 7,684,707.77 : x
  2. Step 2: Convert to fraction form
    13,796,280.89/19,039,455.11 = 7,684,707.77/x
  3. Step 3: Cross multiply
    13,796,280.89x = 19,039,455.11 × 7,684,707.77
  4. Step 4: Simplify right side
    13,796,280.89x = 146,312,648,581,959.66
  5. Step 5: Solve for x
    x = 146,312,648,581,959.66/13,796,280.89
  6. Step 6: Final answer
    x = 10,605,223.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.