Home / 38,756,225.56-53,483,561.90-21,352,570.78

Finding the Fourth Proportional to 38,756,225.56, 53,483,561.90 and 21,352,570.78

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Solution

The fourth proportional to 38,756,225.56, 53,483,561.90 and 21,352,570.78 is: 29,466,531.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,756,225.56 : 53,483,561.90 = 21,352,570.78 : x
  2. Step 2: Convert to fraction form
    38,756,225.56/53,483,561.90 = 21,352,570.78/x
  3. Step 3: Cross multiply
    38,756,225.56x = 53,483,561.90 × 21,352,570.78
  4. Step 4: Simplify right side
    38,756,225.56x = 1,142,011,541,036,261.25
  5. Step 5: Solve for x
    x = 1,142,011,541,036,261.25/38,756,225.56
  6. Step 6: Final answer
    x = 29,466,531.49

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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.