Home / 13,500,278.93-18,630,434.31-7,305,325.70

Finding the Fourth Proportional to 13,500,278.93, 18,630,434.31 and 7,305,325.70

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Solution

The fourth proportional to 13,500,278.93, 18,630,434.31 and 7,305,325.70 is: 10,081,376.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500,278.93 : 18,630,434.31 = 7,305,325.70 : x
  2. Step 2: Convert to fraction form
    13,500,278.93/18,630,434.31 = 7,305,325.70/x
  3. Step 3: Cross multiply
    13,500,278.93x = 18,630,434.31 × 7,305,325.70
  4. Step 4: Simplify right side
    13,500,278.93x = 136,101,390,567,004.77
  5. Step 5: Solve for x
    x = 136,101,390,567,004.77/13,500,278.93
  6. Step 6: Final answer
    x = 10,081,376.19

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1.5x scale

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.