Home / 30,648,715.61-45,973,242.70-7,619,650.16

Finding the Fourth Proportional to 30,648,715.61, 45,973,242.70 and 7,619,650.16

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Solution

The fourth proportional to 30,648,715.61, 45,973,242.70 and 7,619,650.16 is: 11,429,517.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,648,715.61 : 45,973,242.70 = 7,619,650.16 : x
  2. Step 2: Convert to fraction form
    30,648,715.61/45,973,242.70 = 7,619,650.16/x
  3. Step 3: Cross multiply
    30,648,715.61x = 45,973,242.70 × 7,619,650.16
  4. Step 4: Simplify right side
    30,648,715.61x = 350,300,025,845,858.50
  5. Step 5: Solve for x
    x = 350,300,025,845,858.50/30,648,715.61
  6. Step 6: Final answer
    x = 11,429,517.32

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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.