Home / 38,113,728.48-52,596,830.79-20,710,126.80

Finding the Fourth Proportional to 38,113,728.48, 52,596,830.79 and 20,710,126.80

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Solution

The fourth proportional to 38,113,728.48, 52,596,830.79 and 20,710,126.80 is: 28,579,912.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,113,728.48 : 52,596,830.79 = 20,710,126.80 : x
  2. Step 2: Convert to fraction form
    38,113,728.48/52,596,830.79 = 20,710,126.80/x
  3. Step 3: Cross multiply
    38,113,728.48x = 52,596,830.79 × 20,710,126.80
  4. Step 4: Simplify right side
    38,113,728.48x = 1,089,287,034,939,044.25
  5. Step 5: Solve for x
    x = 1,089,287,034,939,044.25/38,113,728.48
  6. Step 6: Final answer
    x = 28,579,912.76

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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.