Home / 30,601,555.68-45,908,390.88-8,742,123.60

Finding the Fourth Proportional to 30,601,555.68, 45,908,390.88 and 8,742,123.60

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Solution

The fourth proportional to 30,601,555.68, 45,908,390.88 and 8,742,123.60 is: 13,114,915.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,601,555.68 : 45,908,390.88 = 8,742,123.60 : x
  2. Step 2: Convert to fraction form
    30,601,555.68/45,908,390.88 = 8,742,123.60/x
  3. Step 3: Cross multiply
    30,601,555.68x = 45,908,390.88 × 8,742,123.60
  4. Step 4: Simplify right side
    30,601,555.68x = 401,336,827,350,072.75
  5. Step 5: Solve for x
    x = 401,336,827,350,072.75/30,601,555.68
  6. Step 6: Final answer
    x = 13,114,915.84

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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.