Home / 28,655,226.15-42,983,170.91-12,258,281.13

Finding the Fourth Proportional to 28,655,226.15, 42,983,170.91 and 12,258,281.13

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Solution

The fourth proportional to 28,655,226.15, 42,983,170.91 and 12,258,281.13 is: 18,387,563.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,655,226.15 : 42,983,170.91 = 12,258,281.13 : x
  2. Step 2: Convert to fraction form
    28,655,226.15/42,983,170.91 = 12,258,281.13/x
  3. Step 3: Cross multiply
    28,655,226.15x = 42,983,170.91 × 12,258,281.13
  4. Step 4: Simplify right side
    28,655,226.15x = 526,899,792,812,326.56
  5. Step 5: Solve for x
    x = 526,899,792,812,326.56/28,655,226.15
  6. Step 6: Final answer
    x = 18,387,563.58

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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.