Home / 13,854,499.38-19,119,236.85-7,742,927.70

Finding the Fourth Proportional to 13,854,499.38, 19,119,236.85 and 7,742,927.70

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Solution

The fourth proportional to 13,854,499.38, 19,119,236.85 and 7,742,927.70 is: 10,685,255.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854,499.38 : 19,119,236.85 = 7,742,927.70 : x
  2. Step 2: Convert to fraction form
    13,854,499.38/19,119,236.85 = 7,742,927.70/x
  3. Step 3: Cross multiply
    13,854,499.38x = 19,119,236.85 × 7,742,927.70
  4. Step 4: Simplify right side
    13,854,499.38x = 148,038,868,608,725.75
  5. Step 5: Solve for x
    x = 148,038,868,608,725.75/13,854,499.38
  6. Step 6: Final answer
    x = 10,685,255.71

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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.