Home / 12,186,665.43-16,807,792.20-10,713,424.07

Finding the Fourth Proportional to 12,186,665.43, 16,807,792.20 and 10,713,424.07

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Solution

The fourth proportional to 12,186,665.43, 16,807,792.20 and 10,713,424.07 is: 14,775,904.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186,665.43 : 16,807,792.20 = 10,713,424.07 : x
  2. Step 2: Convert to fraction form
    12,186,665.43/16,807,792.20 = 10,713,424.07/x
  3. Step 3: Cross multiply
    12,186,665.43x = 16,807,792.20 × 10,713,424.07
  4. Step 4: Simplify right side
    12,186,665.43x = 180,069,005,434,999.28
  5. Step 5: Solve for x
    x = 180,069,005,434,999.28/12,186,665.43
  6. Step 6: Final answer
    x = 14,775,904.57

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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.