Home / 38,487,399.02-53,112,187.80-20,845,862.67

Finding the Fourth Proportional to 38,487,399.02, 53,112,187.80 and 20,845,862.67

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Solution

The fourth proportional to 38,487,399.02, 53,112,187.80 and 20,845,862.67 is: 28,767,061.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,487,399.02 : 53,112,187.80 = 20,845,862.67 : x
  2. Step 2: Convert to fraction form
    38,487,399.02/53,112,187.80 = 20,845,862.67/x
  3. Step 3: Cross multiply
    38,487,399.02x = 53,112,187.80 × 20,845,862.67
  4. Step 4: Simplify right side
    38,487,399.02x = 1,107,169,372,982,049.50
  5. Step 5: Solve for x
    x = 1,107,169,372,982,049.50/38,487,399.02
  6. Step 6: Final answer
    x = 28,767,061.46

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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.