Home / 42,774,846.70-64,178,016.45-14,021,920.30

Finding the Fourth Proportional to 42,774,846.70, 64,178,016.45 and 14,021,920.30

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Solution

The fourth proportional to 42,774,846.70, 64,178,016.45 and 14,021,920.30 is: 21,038,042.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,774,846.70 : 64,178,016.45 = 14,021,920.30 : x
  2. Step 2: Convert to fraction form
    42,774,846.70/64,178,016.45 = 14,021,920.30/x
  3. Step 3: Cross multiply
    42,774,846.70x = 64,178,016.45 × 14,021,920.30
  4. Step 4: Simplify right side
    42,774,846.70x = 899,899,031,673,989
  5. Step 5: Solve for x
    x = 899,899,031,673,989/42,774,846.70
  6. Step 6: Final answer
    x = 21,038,042.24

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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.