Home / 29,184,031.60-43,776,047.40-12,139,039.60

Finding the Fourth Proportional to 29,184,031.60, 43,776,047.40 and 12,139,039.60

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Solution

The fourth proportional to 29,184,031.60, 43,776,047.40 and 12,139,039.60 is: 18,208,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,184,031.60 : 43,776,047.40 = 12,139,039.60 : x
  2. Step 2: Convert to fraction form
    29,184,031.60/43,776,047.40 = 12,139,039.60/x
  3. Step 3: Cross multiply
    29,184,031.60x = 43,776,047.40 × 12,139,039.60
  4. Step 4: Simplify right side
    29,184,031.60x = 531,399,172,920,077
  5. Step 5: Solve for x
    x = 531,399,172,920,077/29,184,031.60
  6. Step 6: Final answer
    x = 18,208,559.40

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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.