Home / 38,178,280.89-57,276,386.82-12,619,287.36

Finding the Fourth Proportional to 38,178,280.89, 57,276,386.82 and 12,619,287.36

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Solution

The fourth proportional to 38,178,280.89, 57,276,386.82 and 12,619,287.36 is: 18,931,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,178,280.89 : 57,276,386.82 = 12,619,287.36 : x
  2. Step 2: Convert to fraction form
    38,178,280.89/57,276,386.82 = 12,619,287.36/x
  3. Step 3: Cross multiply
    38,178,280.89x = 57,276,386.82 × 12,619,287.36
  4. Step 4: Simplify right side
    38,178,280.89x = 722,787,184,224,096.62
  5. Step 5: Solve for x
    x = 722,787,184,224,096.62/38,178,280.89
  6. Step 6: Final answer
    x = 18,931,894.45

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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.