Home / 12,300,252.96-16,971,483.24-7,140,551.34

Finding the Fourth Proportional to 12,300,252.96, 16,971,483.24 and 7,140,551.34

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Solution

The fourth proportional to 12,300,252.96, 16,971,483.24 and 7,140,551.34 is: 9,852,297.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300,252.96 : 16,971,483.24 = 7,140,551.34 : x
  2. Step 2: Convert to fraction form
    12,300,252.96/16,971,483.24 = 7,140,551.34/x
  3. Step 3: Cross multiply
    12,300,252.96x = 16,971,483.24 × 7,140,551.34
  4. Step 4: Simplify right side
    12,300,252.96x = 121,185,747,391,169.53
  5. Step 5: Solve for x
    x = 121,185,747,391,169.53/12,300,252.96
  6. Step 6: Final answer
    x = 9,852,297.17

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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.