Home / 28,655,220.37-42,983,162.25-12,258,275.35

Finding the Fourth Proportional to 28,655,220.37, 42,983,162.25 and 12,258,275.35

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Solution

The fourth proportional to 28,655,220.37, 42,983,162.25 and 12,258,275.35 is: 18,387,554.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,655,220.37 : 42,983,162.25 = 12,258,275.35 : x
  2. Step 2: Convert to fraction form
    28,655,220.37/42,983,162.25 = 12,258,275.35/x
  3. Step 3: Cross multiply
    28,655,220.37x = 42,983,162.25 × 12,258,275.35
  4. Step 4: Simplify right side
    28,655,220.37x = 526,899,438,274,225.50
  5. Step 5: Solve for x
    x = 526,899,438,274,225.50/28,655,220.37
  6. Step 6: Final answer
    x = 18,387,554.92

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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.