Home / 20,085,278.40-27,717,357.60-10,918,152

Finding the Fourth Proportional to 20,085,278.40, 27,717,357.60 and 10,918,152

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Solution

The fourth proportional to 20,085,278.40, 27,717,357.60 and 10,918,152 is: 15,066,872.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,085,278.40 : 27,717,357.60 = 10,918,152 : x
  2. Step 2: Convert to fraction form
    20,085,278.40/27,717,357.60 = 10,918,152/x
  3. Step 3: Cross multiply
    20,085,278.40x = 27,717,357.60 × 10,918,152
  4. Step 4: Simplify right side
    20,085,278.40x = 302,622,323,315,155.19
  5. Step 5: Solve for x
    x = 302,622,323,315,155.19/20,085,278.40
  6. Step 6: Final answer
    x = 15,066,872.23

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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.