Home / 13,111,709.40-19,667,564.10-7,443,005.40

Finding the Fourth Proportional to 13,111,709.40, 19,667,564.10 and 7,443,005.40

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Solution

The fourth proportional to 13,111,709.40, 19,667,564.10 and 7,443,005.40 is: 11,164,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,111,709.40 : 19,667,564.10 = 7,443,005.40 : x
  2. Step 2: Convert to fraction form
    13,111,709.40/19,667,564.10 = 7,443,005.40/x
  3. Step 3: Cross multiply
    13,111,709.40x = 19,667,564.10 × 7,443,005.40
  4. Step 4: Simplify right side
    13,111,709.40x = 146,385,785,801,146.16
  5. Step 5: Solve for x
    x = 146,385,785,801,146.16/13,111,709.40
  6. Step 6: Final answer
    x = 11,164,508.10

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1.5x scale

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.