Home / 38,311,608.64-52,871,140.80-20,909,070.04

Finding the Fourth Proportional to 38,311,608.64, 52,871,140.80 and 20,909,070.04

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Solution

The fourth proportional to 38,311,608.64, 52,871,140.80 and 20,909,070.04 is: 28,855,128.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,311,608.64 : 52,871,140.80 = 20,909,070.04 : x
  2. Step 2: Convert to fraction form
    38,311,608.64/52,871,140.80 = 20,909,070.04/x
  3. Step 3: Cross multiply
    38,311,608.64x = 52,871,140.80 × 20,909,070.04
  4. Step 4: Simplify right side
    38,311,608.64x = 1,105,486,386,081,901.50
  5. Step 5: Solve for x
    x = 1,105,486,386,081,901.50/38,311,608.64
  6. Step 6: Final answer
    x = 28,855,128.39

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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.