Home / 12,178,833.46-16,806,784.35-7,284,055.46

Finding the Fourth Proportional to 12,178,833.46, 16,806,784.35 and 7,284,055.46

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Solution

The fourth proportional to 12,178,833.46, 16,806,784.35 and 7,284,055.46 is: 10,051,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178,833.46 : 16,806,784.35 = 7,284,055.46 : x
  2. Step 2: Convert to fraction form
    12,178,833.46/16,806,784.35 = 7,284,055.46/x
  3. Step 3: Cross multiply
    12,178,833.46x = 16,806,784.35 × 7,284,055.46
  4. Step 4: Simplify right side
    12,178,833.46x = 122,421,549,252,941.34
  5. Step 5: Solve for x
    x = 122,421,549,252,941.34/12,178,833.46
  6. Step 6: Final answer
    x = 10,051,993.05

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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.