Home / 12,462,209.30-18,693,313.95-4,889,422.10

Finding the Fourth Proportional to 12,462,209.30, 18,693,313.95 and 4,889,422.10

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Solution

The fourth proportional to 12,462,209.30, 18,693,313.95 and 4,889,422.10 is: 7,334,133.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462,209.30 : 18,693,313.95 = 4,889,422.10 : x
  2. Step 2: Convert to fraction form
    12,462,209.30/18,693,313.95 = 4,889,422.10/x
  3. Step 3: Cross multiply
    12,462,209.30x = 18,693,313.95 × 4,889,422.10
  4. Step 4: Simplify right side
    12,462,209.30x = 91,399,502,349,368.28
  5. Step 5: Solve for x
    x = 91,399,502,349,368.28/12,462,209.30
  6. Step 6: Final answer
    x = 7,334,133.15

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Similar ratio
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1.5x scale

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.