Home / 28,604,313.90-42,904,502.55-9,173,256.30

Finding the Fourth Proportional to 28,604,313.90, 42,904,502.55 and 9,173,256.30

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Solution

The fourth proportional to 28,604,313.90, 42,904,502.55 and 9,173,256.30 is: 13,759,253.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,604,313.90 : 42,904,502.55 = 9,173,256.30 : x
  2. Step 2: Convert to fraction form
    28,604,313.90/42,904,502.55 = 9,173,256.30/x
  3. Step 3: Cross multiply
    28,604,313.90x = 42,904,502.55 × 9,173,256.30
  4. Step 4: Simplify right side
    28,604,313.90x = 393,573,998,315,153.56
  5. Step 5: Solve for x
    x = 393,573,998,315,153.56/28,604,313.90
  6. Step 6: Final answer
    x = 13,759,253.23

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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.