Home / 12,457,682.40-18,680,302.80-5,718,482.40

Finding the Fourth Proportional to 12,457,682.40, 18,680,302.80 and 5,718,482.40

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Solution

The fourth proportional to 12,457,682.40, 18,680,302.80 and 5,718,482.40 is: 8,574,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,682.40 : 18,680,302.80 = 5,718,482.40 : x
  2. Step 2: Convert to fraction form
    12,457,682.40/18,680,302.80 = 5,718,482.40/x
  3. Step 3: Cross multiply
    12,457,682.40x = 18,680,302.80 × 5,718,482.40
  4. Step 4: Simplify right side
    12,457,682.40x = 106,822,982,788,470.73
  5. Step 5: Solve for x
    x = 106,822,982,788,470.73/12,457,682.40
  6. Step 6: Final answer
    x = 8,574,868.05

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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.