Home / 13,783,020.32-19,020,244.56-7,671,317.60

Finding the Fourth Proportional to 13,783,020.32, 19,020,244.56 and 7,671,317.60

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Solution

The fourth proportional to 13,783,020.32, 19,020,244.56 and 7,671,317.60 is: 10,586,238.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783,020.32 : 19,020,244.56 = 7,671,317.60 : x
  2. Step 2: Convert to fraction form
    13,783,020.32/19,020,244.56 = 7,671,317.60/x
  3. Step 3: Cross multiply
    13,783,020.32x = 19,020,244.56 × 7,671,317.60
  4. Step 4: Simplify right side
    13,783,020.32x = 145,910,336,849,432.25
  5. Step 5: Solve for x
    x = 145,910,336,849,432.25/13,783,020.32
  6. Step 6: Final answer
    x = 10,586,238.25

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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.