Home / 13,285,772.94-18,334,430.94-7,484,646.12

Finding the Fourth Proportional to 13,285,772.94, 18,334,430.94 and 7,484,646.12

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Solution

The fourth proportional to 13,285,772.94, 18,334,430.94 and 7,484,646.12 is: 10,328,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,772.94 : 18,334,430.94 = 7,484,646.12 : x
  2. Step 2: Convert to fraction form
    13,285,772.94/18,334,430.94 = 7,484,646.12/x
  3. Step 3: Cross multiply
    13,285,772.94x = 18,334,430.94 × 7,484,646.12
  4. Step 4: Simplify right side
    13,285,772.94x = 137,226,727,397,478.97
  5. Step 5: Solve for x
    x = 137,226,727,397,478.97/13,285,772.94
  6. Step 6: Final answer
    x = 10,328,847.86

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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.