Home / 38,134,142.81-52,624,897.07-21,617,382.89

Finding the Fourth Proportional to 38,134,142.81, 52,624,897.07 and 21,617,382.89

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Solution

The fourth proportional to 38,134,142.81, 52,624,897.07 and 21,617,382.89 is: 29,831,863.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,134,142.81 : 52,624,897.07 = 21,617,382.89 : x
  2. Step 2: Convert to fraction form
    38,134,142.81/52,624,897.07 = 21,617,382.89/x
  3. Step 3: Cross multiply
    38,134,142.81x = 52,624,897.07 × 21,617,382.89
  4. Step 4: Simplify right side
    38,134,142.81x = 1,137,612,549,299,948.25
  5. Step 5: Solve for x
    x = 1,137,612,549,299,948.25/38,134,142.81
  6. Step 6: Final answer
    x = 29,831,863.67

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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.