Home / 15,460,394.88-21,337,313.60-9,348,867.20

Finding the Fourth Proportional to 15,460,394.88, 21,337,313.60 and 9,348,867.20

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Solution

The fourth proportional to 15,460,394.88, 21,337,313.60 and 9,348,867.20 is: 12,902,627.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,460,394.88 : 21,337,313.60 = 9,348,867.20 : x
  2. Step 2: Convert to fraction form
    15,460,394.88/21,337,313.60 = 9,348,867.20/x
  3. Step 3: Cross multiply
    15,460,394.88x = 21,337,313.60 × 9,348,867.20
  4. Step 4: Simplify right side
    15,460,394.88x = 199,479,711,251,153.91
  5. Step 5: Solve for x
    x = 199,479,711,251,153.91/15,460,394.88
  6. Step 6: Final answer
    x = 12,902,627.18

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1.5x scale

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.