Home / 12,172,875.40-18,259,313.10-3,074,955.40

Finding the Fourth Proportional to 12,172,875.40, 18,259,313.10 and 3,074,955.40

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Solution

The fourth proportional to 12,172,875.40, 18,259,313.10 and 3,074,955.40 is: 4,612,433.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,172,875.40 : 18,259,313.10 = 3,074,955.40 : x
  2. Step 2: Convert to fraction form
    12,172,875.40/18,259,313.10 = 3,074,955.40/x
  3. Step 3: Cross multiply
    12,172,875.40x = 18,259,313.10 × 3,074,955.40
  4. Step 4: Simplify right side
    12,172,875.40x = 56,146,573,417,135.74
  5. Step 5: Solve for x
    x = 56,146,573,417,135.74/12,172,875.40
  6. Step 6: Final answer
    x = 4,612,433.10

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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.