Home / 14,036,688.40-21,013,042.20-12,357,072.40

Finding the Fourth Proportional to 14,036,688.40, 21,013,042.20 and 12,357,072.40

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Solution

The fourth proportional to 14,036,688.40, 21,013,042.20 and 12,357,072.40 is: 18,498,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036,688.40 : 21,013,042.20 = 12,357,072.40 : x
  2. Step 2: Convert to fraction form
    14,036,688.40/21,013,042.20 = 12,357,072.40/x
  3. Step 3: Cross multiply
    14,036,688.40x = 21,013,042.20 × 12,357,072.40
  4. Step 4: Simplify right side
    14,036,688.40x = 259,659,683,809,655.28
  5. Step 5: Solve for x
    x = 259,659,683,809,655.28/14,036,688.40
  6. Step 6: Final answer
    x = 18,498,642.73

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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.