Home / 10,018,368.90-13,825,657.63-5,667,367.94

Finding the Fourth Proportional to 10,018,368.90, 13,825,657.63 and 5,667,367.94

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Solution

The fourth proportional to 10,018,368.90, 13,825,657.63 and 5,667,367.94 is: 7,821,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018,368.90 : 13,825,657.63 = 5,667,367.94 : x
  2. Step 2: Convert to fraction form
    10,018,368.90/13,825,657.63 = 5,667,367.94/x
  3. Step 3: Cross multiply
    10,018,368.90x = 13,825,657.63 × 5,667,367.94
  4. Step 4: Simplify right side
    10,018,368.90x = 78,355,088,801,678.39
  5. Step 5: Solve for x
    x = 78,355,088,801,678.39/10,018,368.90
  6. Step 6: Final answer
    x = 7,821,142.30

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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.