Home / 38,308,299.02-52,866,569.07-20,905,765.16

Finding the Fourth Proportional to 38,308,299.02, 52,866,569.07 and 20,905,765.16

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Solution

The fourth proportional to 38,308,299.02, 52,866,569.07 and 20,905,765.16 is: 28,850,565.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308,299.02 : 52,866,569.07 = 20,905,765.16 : x
  2. Step 2: Convert to fraction form
    38,308,299.02/52,866,569.07 = 20,905,765.16/x
  3. Step 3: Cross multiply
    38,308,299.02x = 52,866,569.07 × 20,905,765.16
  4. Step 4: Simplify right side
    38,308,299.02x = 1,105,216,077,792,339.62
  5. Step 5: Solve for x
    x = 1,105,216,077,792,339.62/38,308,299.02
  6. Step 6: Final answer
    x = 28,850,565.18

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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.