Home / 30,249,530.30-45,374,295.45-10,052,147.90

Finding the Fourth Proportional to 30,249,530.30, 45,374,295.45 and 10,052,147.90

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Solution

The fourth proportional to 30,249,530.30, 45,374,295.45 and 10,052,147.90 is: 15,078,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,249,530.30 : 45,374,295.45 = 10,052,147.90 : x
  2. Step 2: Convert to fraction form
    30,249,530.30/45,374,295.45 = 10,052,147.90/x
  3. Step 3: Cross multiply
    30,249,530.30x = 45,374,295.45 × 10,052,147.90
  4. Step 4: Simplify right side
    30,249,530.30x = 456,109,128,721,697.12
  5. Step 5: Solve for x
    x = 456,109,128,721,697.12/30,249,530.30
  6. Step 6: Final answer
    x = 15,078,221.85

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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.