Home / 38,385,666.80-57,438,532.20-28,307,970.80

Finding the Fourth Proportional to 38,385,666.80, 57,438,532.20 and 28,307,970.80

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Solution

The fourth proportional to 38,385,666.80, 57,438,532.20 and 28,307,970.80 is: 42,358,735.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,385,666.80 : 57,438,532.20 = 28,307,970.80 : x
  2. Step 2: Convert to fraction form
    38,385,666.80/57,438,532.20 = 28,307,970.80/x
  3. Step 3: Cross multiply
    38,385,666.80x = 57,438,532.20 × 28,307,970.80
  4. Step 4: Simplify right side
    38,385,666.80x = 1,625,968,292,312,460
  5. Step 5: Solve for x
    x = 1,625,968,292,312,460/38,385,666.80
  6. Step 6: Final answer
    x = 42,358,735.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.