Home / 38,774,564.60-58,161,846.90-13,213,297.40

Finding the Fourth Proportional to 38,774,564.60, 58,161,846.90 and 13,213,297.40

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Solution

The fourth proportional to 38,774,564.60, 58,161,846.90 and 13,213,297.40 is: 19,819,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,774,564.60 : 58,161,846.90 = 13,213,297.40 : x
  2. Step 2: Convert to fraction form
    38,774,564.60/58,161,846.90 = 13,213,297.40/x
  3. Step 3: Cross multiply
    38,774,564.60x = 58,161,846.90 × 13,213,297.40
  4. Step 4: Simplify right side
    38,774,564.60x = 768,509,780,422,968
  5. Step 5: Solve for x
    x = 768,509,780,422,968/38,774,564.60
  6. Step 6: Final answer
    x = 19,819,946.10

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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.