Home / 38,688,066.76-53,389,452.30-21,284,370.28

Finding the Fourth Proportional to 38,688,066.76, 53,389,452.30 and 21,284,370.28

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Solution

The fourth proportional to 38,688,066.76, 53,389,452.30 and 21,284,370.28 is: 29,372,387.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,688,066.76 : 53,389,452.30 = 21,284,370.28 : x
  2. Step 2: Convert to fraction form
    38,688,066.76/53,389,452.30 = 21,284,370.28/x
  3. Step 3: Cross multiply
    38,688,066.76x = 53,389,452.30 × 21,284,370.28
  4. Step 4: Simplify right side
    38,688,066.76x = 1,136,360,871,799,597.75
  5. Step 5: Solve for x
    x = 1,136,360,871,799,597.75/38,688,066.76
  6. Step 6: Final answer
    x = 29,372,387.07

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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.