Home / 20,569,928.86-30,833,139.01-7,607,749.35

Finding the Fourth Proportional to 20,569,928.86, 30,833,139.01 and 7,607,749.35

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Solution

The fourth proportional to 20,569,928.86, 30,833,139.01 and 7,607,749.35 is: 11,403,578.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,569,928.86 : 30,833,139.01 = 7,607,749.35 : x
  2. Step 2: Convert to fraction form
    20,569,928.86/30,833,139.01 = 7,607,749.35/x
  3. Step 3: Cross multiply
    20,569,928.86x = 30,833,139.01 × 7,607,749.35
  4. Step 4: Simplify right side
    20,569,928.86x = 234,570,793,261,787.16
  5. Step 5: Solve for x
    x = 234,570,793,261,787.16/20,569,928.86
  6. Step 6: Final answer
    x = 11,403,578.25

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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.