Home / 12,284,477.70-18,426,716.55-12,125,045.40

Finding the Fourth Proportional to 12,284,477.70, 18,426,716.55 and 12,125,045.40

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Solution

The fourth proportional to 12,284,477.70, 18,426,716.55 and 12,125,045.40 is: 18,187,568.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,284,477.70 : 18,426,716.55 = 12,125,045.40 : x
  2. Step 2: Convert to fraction form
    12,284,477.70/18,426,716.55 = 12,125,045.40/x
  3. Step 3: Cross multiply
    12,284,477.70x = 18,426,716.55 × 12,125,045.40
  4. Step 4: Simplify right side
    12,284,477.70x = 223,424,774,741,681.38
  5. Step 5: Solve for x
    x = 223,424,774,741,681.38/12,284,477.70
  6. Step 6: Final answer
    x = 18,187,568.10

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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.