Home / 13,119,771.70-19,685,341.35-7,047,418.60

Finding the Fourth Proportional to 13,119,771.70, 19,685,341.35 and 7,047,418.60

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Solution

The fourth proportional to 13,119,771.70, 19,685,341.35 and 7,047,418.60 is: 10,574,181.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,119,771.70 : 19,685,341.35 = 7,047,418.60 : x
  2. Step 2: Convert to fraction form
    13,119,771.70/19,685,341.35 = 7,047,418.60/x
  3. Step 3: Cross multiply
    13,119,771.70x = 19,685,341.35 × 7,047,418.60
  4. Step 4: Simplify right side
    13,119,771.70x = 138,730,840,777,339.11
  5. Step 5: Solve for x
    x = 138,730,840,777,339.11/13,119,771.70
  6. Step 6: Final answer
    x = 10,574,181.01

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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.