Home / 12,071,141.60-18,106,712.40-10,972,830.20

Finding the Fourth Proportional to 12,071,141.60, 18,106,712.40 and 10,972,830.20

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Solution

The fourth proportional to 12,071,141.60, 18,106,712.40 and 10,972,830.20 is: 16,459,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071,141.60 : 18,106,712.40 = 10,972,830.20 : x
  2. Step 2: Convert to fraction form
    12,071,141.60/18,106,712.40 = 10,972,830.20/x
  3. Step 3: Cross multiply
    12,071,141.60x = 18,106,712.40 × 10,972,830.20
  4. Step 4: Simplify right side
    12,071,141.60x = 198,681,880,645,434.44
  5. Step 5: Solve for x
    x = 198,681,880,645,434.44/12,071,141.60
  6. Step 6: Final answer
    x = 16,459,245.30

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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.