Home / 14,035,959.40-21,053,939.10-12,388,492.30

Finding the Fourth Proportional to 14,035,959.40, 21,053,939.10 and 12,388,492.30

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Solution

The fourth proportional to 14,035,959.40, 21,053,939.10 and 12,388,492.30 is: 18,582,738.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,035,959.40 : 21,053,939.10 = 12,388,492.30 : x
  2. Step 2: Convert to fraction form
    14,035,959.40/21,053,939.10 = 12,388,492.30/x
  3. Step 3: Cross multiply
    14,035,959.40x = 21,053,939.10 × 12,388,492.30
  4. Step 4: Simplify right side
    14,035,959.40x = 260,826,562,425,018.97
  5. Step 5: Solve for x
    x = 260,826,562,425,018.97/14,035,959.40
  6. Step 6: Final answer
    x = 18,582,738.45

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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.