Home / 10,285,341.66-15,428,504.55-8,484,886.62

Finding the Fourth Proportional to 10,285,341.66, 15,428,504.55 and 8,484,886.62

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Solution

The fourth proportional to 10,285,341.66, 15,428,504.55 and 8,484,886.62 is: 12,727,735.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285,341.66 : 15,428,504.55 = 8,484,886.62 : x
  2. Step 2: Convert to fraction form
    10,285,341.66/15,428,504.55 = 8,484,886.62/x
  3. Step 3: Cross multiply
    10,285,341.66x = 15,428,504.55 × 8,484,886.62
  4. Step 4: Simplify right side
    10,285,341.66x = 130,909,111,822,904.11
  5. Step 5: Solve for x
    x = 130,909,111,822,904.11/10,285,341.66
  6. Step 6: Final answer
    x = 12,727,735.85

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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.