Home / 12,316,016.40-18,424,258.20-10,651,606.80

Finding the Fourth Proportional to 12,316,016.40, 18,424,258.20 and 10,651,606.80

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Solution

The fourth proportional to 12,316,016.40, 18,424,258.20 and 10,651,606.80 is: 15,934,369.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316,016.40 : 18,424,258.20 = 10,651,606.80 : x
  2. Step 2: Convert to fraction form
    12,316,016.40/18,424,258.20 = 10,651,606.80/x
  3. Step 3: Cross multiply
    12,316,016.40x = 18,424,258.20 × 10,651,606.80
  4. Step 4: Simplify right side
    12,316,016.40x = 196,247,953,928,075.78
  5. Step 5: Solve for x
    x = 196,247,953,928,075.78/12,316,016.40
  6. Step 6: Final answer
    x = 15,934,369.32

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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.